Added instances for User Field example

@@ -47,6 +47,7 @@
   rdf:type :ActivityInPlan ;
   rdf:type owl:Class ;
   :hasRiskFactorForPlan :HeightWork ;
+  :hasSpecifiedUserField :SpecifiedUserfieldForActivity101inPlanVersion2forProjectP ;
   rdfs:label "Activity 101 in plan version 2 for project P"^^xsd:string ;
   rdfs:subClassOf :Activity ;
 .
@@ -1803,6 +1804,11 @@ NOTE 2  A Plan for Activity can define a number of part activities which are rel
   rdfs:label "Point in space"^^xsd:string ;
   rdfs:subClassOf :PossibleIndividual ;
 .
+:PolarSupplier
+  rdf:type :Vessel ;
+  rdfs:comment "A Vessel that is owned by Polar and used as supply ship"^^xsd:string ;
+  rdfs:label "Polar Supplier"^^xsd:string ;
+.
 :PossibleIndividual
   rdf:type owl:Class ;
   rdfs:label "Possible individual"^^xsd:string ;
@@ -2472,6 +2478,10 @@ NOTE 2  A Plan for Activity can define a number of part activities which are rel
   rdfs:subClassOf :ClassOfResource ;
   owl:equivalentClass <http://data.posccaesar.org/rdl/RDS43165907246> ;
 .
+:SpecifiedUserfieldForActivity101inPlanVersion2forProjectP
+  rdf:type userfield:SpecifiedUserField ;
+  userfield:hasVessel :PolarSupplier ;
+.
 :StaffTime
   rdf:type owl:Class ;
   rdfs:label "Staff time"^^xsd:string ;