diff --git a/ontology/uco-gufo.ttl b/ontology/uco-gufo.ttl
index 403c544..a0c1134 100644
--- a/ontology/uco-gufo.ttl
+++ b/ontology/uco-gufo.ttl
@@ -10,6 +10,7 @@
 @prefix uco-analysis: <https://ontology.unifiedcyberontology.org/uco/analysis/> .
 @prefix uco-core: <https://ontology.unifiedcyberontology.org/uco/core/> .
 @prefix uco-identity: <https://ontology.unifiedcyberontology.org/uco/identity/> .
+@prefix uco-location: <https://ontology.unifiedcyberontology.org/uco/location/> .
 @prefix uco-observable: <https://ontology.unifiedcyberontology.org/uco/observable/> .
 @prefix uco-types: <https://ontology.unifiedcyberontology.org/uco/types/> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@@ -236,6 +237,13 @@ uco-core:Item
 		;
 	.
 
+uco-core:Relationship
+	rdfs:subClassOf
+		drafting:Endurant ,
+		gufo:Object
+		;
+	.
+
 uco-core:endTime
 	rdfs:seeAlso
 		gufo:hasEndPoint ,
@@ -274,6 +282,13 @@ uco-identity:Person
 		;
 	.
 
+uco-location:Location
+	rdfs:subClassOf
+		drafting:Endurant ,
+		gufo:Object
+		;
+	.
+
 uco-observable:AlternateDataStream
 	a gufo:Kind ;
 	rdfs:subClassOf
@@ -328,3 +343,37 @@ uco-types:Hash
 	owl:annotatedSubject uco-core:Assertion ;
 	.
 
+[]
+	a owl:NegativePropertyAssertion ;
+	rdfs:comment "If this specialization were introduced, a further specialization would be suggested for gufo:mediates.  A demonstration exists among the CASE examples that is incompatible: A Relationship, 'Mapped_Into', that relates two Actions together to demonstrate a lifecycle phase."@en ;
+	rdfs:seeAlso
+		<http://example.org/kb/lifecycle_phase-60a55e96-d39e-487e-9b39-3ba96e1ffc7a> ,
+		<https://github.com/casework/CASE-Examples/tree/dc6f6b901289c1684fd88e25e9bcec925974d155/examples/illustrations/forensic_lifecycle> ,
+		[
+			a owl:NegativePropertyAssertion ;
+			rdfs:comment "gufo:mediates has range gufo:Endurant, but a uco-core:Relationship is permitted to link any UcoObject, including perdurants."@en ;
+			rdfs:seeAlso
+				<http://example.org/kb/lifecycle_phase-60a55e96-d39e-487e-9b39-3ba96e1ffc7a> ,
+				<https://github.com/casework/CASE-Examples/tree/dc6f6b901289c1684fd88e25e9bcec925974d155/examples/illustrations/forensic_lifecycle>
+				;
+			owl:assertionProperty rdfs:subPropertyOf ;
+			owl:sourceInvididual uco-core:source ;
+			owl:targetInvididual gufo:mediates ;
+		] ,
+		[
+			a owl:NegativePropertyAssertion ;
+			rdfs:comment "gufo:mediates has range gufo:Endurant, but a uco-core:Relationship is permitted to link any UcoObject, including perdurants."@en ;
+			rdfs:seeAlso
+				<http://example.org/kb/lifecycle_phase-60a55e96-d39e-487e-9b39-3ba96e1ffc7a> ,
+				<https://github.com/casework/CASE-Examples/tree/dc6f6b901289c1684fd88e25e9bcec925974d155/examples/illustrations/forensic_lifecycle>
+				;
+			owl:assertionProperty rdfs:subPropertyOf ;
+			owl:sourceInvididual uco-core:target ;
+			owl:targetInvididual gufo:mediates ;
+		]
+		;
+	owl:assertionProperty rdfs:subClassOf ;
+	owl:sourceInvididual uco-core:Relationship ;
+	owl:targetInvididual gufo:Relator ;
+	.
+
diff --git a/tests/exemplars.ttl b/tests/exemplars.ttl
index b46231d..5e7b9c5 100644
--- a/tests/exemplars.ttl
+++ b/tests/exemplars.ttl
@@ -11,6 +11,7 @@
 @prefix uco-analysis: <https://ontology.unifiedcyberontology.org/uco/analysis/> .
 @prefix uco-core: <https://ontology.unifiedcyberontology.org/uco/core/> .
 @prefix uco-identity: <https://ontology.unifiedcyberontology.org/uco/identity/> .
+@prefix uco-location: <https://ontology.unifiedcyberontology.org/uco/location/> .
 @prefix uco-observable: <https://ontology.unifiedcyberontology.org/uco/observable/> .
 @prefix uco-types: <https://ontology.unifiedcyberontology.org/uco/types/> .
 @prefix uco-vocabulary: <https://ontology.unifiedcyberontology.org/uco/vocabulary/> .
@@ -84,11 +85,19 @@ kb:Camera-1c9a2999-b34c-459b-b983-113c7b9e71df
 	rdfs:comment "A digital, non-phone camera."@en ;
 	.
 
+kb:ContentData-0571dfb7-889e-4e8c-bec7-47a62ab9286f
+	a uco-observable:ContentData ;
+	.
+
 kb:ContentData-179c7e84-f72d-47f7-b6f3-3f4a1f0938bd
 	a uco-observable:ContentData ;
 	uco-core:hasFacet kb:ContentDataFacet-a961d865-087b-43bd-ab31-0e33331c5628 ;
 	.
 
+kb:ContentData-3f13e43a-a3f4-4dcc-8db2-e934b24890ec
+	a uco-observable:ContentData ;
+	.
+
 kb:ContentDataFacet-a961d865-087b-43bd-ab31-0e33331c5628
 	a uco-observable:ContentDataFacet ;
 	.
@@ -140,6 +149,10 @@ kb:Interval-336d4db4-727e-4694-8bf0-5902c6ae504f
 	time:inside kb:Instant-2918592a-9d87-4b30-acbc-521a19f97fcd ;
 	.
 
+kb:Location-c39f5c70-ba6d-44a1-8c6c-426b0372eade
+	a uco-location:Location ;
+	.
+
 kb:MACAddressFacet-3b25d05e-a3b0-4828-8b6d-1e08f4d4264f
 	a uco-observable:MACAddressFacet ;
 	.
@@ -182,6 +195,14 @@ kb:QualityValueAttributionSituation-872b7dd1-b49a-4278-bfdf-df507493d63f
 	gufo:hasEndPoint kb:Instant-c9ae3fce-ddcb-416b-971b-559c2f5bee95 ;
 	.
 
+kb:Relationship-2be6b54a-a051-499c-9dcd-63d17d813293
+	a uco-core:Relationship ;
+	uco-core:isDirectional "true"^^xsd:boolean ;
+	uco-core:kindOfRelationship "Contained_Within" ;
+	uco-core:source kb:ContentData-0571dfb7-889e-4e8c-bec7-47a62ab9286f ;
+	uco-core:target kb:ContentData-3f13e43a-a3f4-4dcc-8db2-e934b24890ec ;
+	.
+
 kb:Vehicle-c7e910e8-4bed-473e-ad74-3df3eb63cbcc
 	a drafting:Vehicle ;
 	gufo:standsInQualifiedAttribution