context: It is impossible that Fred is in the school. It is probably the case that Bernhard is a rhino. It is highly unlikely that Greg is gray. It is likely that if Bernhard is a rhino, and Greg is gray, then Gertrude is a cat. It is probably not the case that if Fred is in the school, and Greg is gray, then John went to the kitchen. There is little chance that if Bernhard is a rhino, or Greg is gray, then Brian is white.
hypothesis: There is a very good chance that john went to the kitchen, or Gertrude is a cat.
valid_hypothesis: There is almost no chance that john went to the kitchen, or Gertrude is a cat.
invalid_hypothesis: There is a very good chance that john went to the kitchen, or Gertrude is a cat.
hypothesis_assertion: John went to the kitchen, or Gertrude is a cat.