op:
http://www.atl.lmco.com/projects/ont...asFemaleParent
**class** Animal
cardin+**+ hasFemaleParent
op:
http://www.atl.lmco.com/projects/ont....owl#hasFather
**class** Animal
cardin+**+ hasFather
Exception in thread "main" java.lang.NullPointerException
at pak2.ontology1.main(ontology1.java:445)