// add the relation to the CAS
RelationArgument relArg1 = new RelationArgument(relationView);
relArg1.setArgument(arg1);
relArg1.setRole("Argument");
relArg1.addToIndexes();
RelationArgument relArg2 = new RelationArgument(relationView);
relArg2.setArgument(arg2);
relArg2.setRole("Related_to");
relArg2.addToIndexes();
BinaryTextRelation relation = new BinaryTextRelation(relationView);