context: It is impossible that Julie is in the bedroom. It is certain that Jessica is a cat. There is little chance that Greg is yellow. It is unlikely that if Jessica is a cat, or Julie is in the bedroom, then Daniel left the football. It is probably not the case that if Jessica is a cat, and Julie is in the bedroom, then Bernhard is gray. We doubt that if Greg is yellow, and Jessica is a cat, then Mary went to the kitchen.
hypothesis: It is certain that either Jessica is a cat, or Bernhard is gray.
valid_hypothesis: It is certain that either Jessica is a cat, or Bernhard is gray.
invalid_hypothesis: There is almost no chance that either Jessica is a cat, or Bernhard is gray.
hypothesis_assertion: Either Jessica is a cat, or Bernhard is gray.