diff --git a/data/abox.ttl b/data/abox.ttl
index 5f4ba8f..1f52251 100644
--- a/data/abox.ttl
+++ b/data/abox.ttl
@@ -30,7 +30,8 @@
 :Switch  	a 			   :PortableGameConsole ;
 		  	:madeBy        :Nintendo ;
 		  	:releaseYear   2017 ;
-		  	rev:hasReview  :SwitchReviewByJPT .
+		  	rev:hasReview  :SwitchReviewByJPT;
+			:hasPrice      329 .
 
 :Playstation4 	a			:GameConsole .
 
@@ -44,4 +45,4 @@
             	rev:reviewer	:JPT ;
             	rev:text	    "Yet another gaming console. I lost a tetris game once. Meh."^^xsd:string .
 
-:Switch         :hasPrice       "329,00"^^:PriceEur .
+
diff --git a/data/jenarules.txt b/data/jenarules.txt
new file mode 100644
index 0000000..d1cf1aa
--- /dev/null
+++ b/data/jenarules.txt
@@ -0,0 +1,17 @@
+@prefix :   	<http://example.com/ins_uebung/#> .
+@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix xsd:	<http://www.w3.org/2001/XMLSchema#> .
+@prefix rdfs:   <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
+@prefix rev:	<http://purl.org/stuff/rev#> .
+@prefix owl:    <http://www.w3.org/2002/07/owl#> .
+
+[rule1: (?con rdf:type :GameConsole) (?con :predecessorOfConsole ?otherCon)
+    noValue(?otherCon :successorOfConsole ?con)
+    -> (?otherCon :successorOfConsole ?con)]
+
+[rule2: (?con :hasPrice ?someValue)
+    -> remove(?con :hasPrice ?someValue)]
+
+[rule3: (?con rev:hasReview ?rev) (?rev rev:reviewer ?reviewer)
+    -> (?reviewer :hasReviewedConsole ?con)]
\ No newline at end of file
diff --git a/data/tbox.ttl b/data/tbox.ttl
index 6682b87..0668fc1 100644
--- a/data/tbox.ttl
+++ b/data/tbox.ttl
@@ -49,7 +49,7 @@
 
 :hasPrice           rdf:type    rdf:Property ;
                     rdfs:domain :GameConsole ;
-                    rdfs:range  :xsd:string .
+                    rdfs:range  xsd:int .
 
 # rdfs:Datatype
 :PriceEur   rdf:type    rdfs:Datatype .
diff --git a/src/main/java/hsh/ins_jena/App.java b/src/main/java/hsh/ins_jena/App.java
index 4d5a920..3607fdb 100644
--- a/src/main/java/hsh/ins_jena/App.java
+++ b/src/main/java/hsh/ins_jena/App.java
@@ -22,6 +22,8 @@ import org.apache.jena.reasoner.Reasoner;
 import org.apache.jena.reasoner.ReasonerRegistry;
 import org.apache.jena.reasoner.ValidityReport;
 import org.apache.jena.reasoner.ValidityReport.Report;
+import org.apache.jena.reasoner.rulesys.GenericRuleReasoner;
+import org.apache.jena.reasoner.rulesys.Rule;
 import org.apache.jena.util.FileManager;
 import org.apache.jena.util.PrintUtil;
 
@@ -45,12 +47,17 @@ public class App {
         // Let's create an owl reasoner
         Reasoner reasoner = ReasonerRegistry.getOWLReasoner();
         reasoner = reasoner.bindSchema(tboxModel);
-        OntModelSpec ontModelSpec = OntModelSpec.OWL_DL_MEM_RULE_INF;
-        ontModelSpec.setReasoner(reasoner);
+        //OntModelSpec ontModelSpec = OntModelSpec.OWL_DL_MEM_RULE_INF;
+        //ontModelSpec.setReasoner(reasoner);
         InfModel infModel = ModelFactory.createInfModel(reasoner, aboxModel);
 
+        validate(infModel);
+        reasoner = new GenericRuleReasoner(Rule.rulesFromURL("data/jenarules.txt"));
+        infModel = ModelFactory.createInfModel(reasoner, aboxModel);
+        
         validate(infModel);
 
+        printResource(infModel, "JPT");
         printResource(infModel, "Wii");
         printResource(infModel, "Wii_u");
         printResource(infModel, "Switch");