context: There is little chance that Brian is gray. It is probable that Greg is a rhino. It is improbable that Mary is in the cinema. It is highly likely that if either Brian is gray, or Mary is in the cinema, then Bill moved to the garden. It is almost certain that if Greg is a rhino, or Brian is gray, then John went to the hallway. It is probably the case that if Brian is gray, or Greg is a rhino, then Julius is a frog.
hypothesis: It is highly likely that john went to the hallway, and Brian is gray.
valid_hypothesis: It is improbable that john went to the hallway, and Brian is gray.
invalid_hypothesis: It is highly likely that john went to the hallway, and Brian is gray.
hypothesis_assertion: John went to the hallway, and Brian is gray.