context: It is almost certain that Julius is yellow. It is likely that Mary got the apple. It is improbable that John went to the hallway. There is a very good chance that if John went to the hallway, and Julius is yellow, then Greg is a frog. It is highly likely that if either Mary got the apple, or John went to the hallway, then Lily is a lion. It is almost certain that if Mary got the apple, and Julius is yellow, then Bernhard is a rhino.
hypothesis: It is highly unlikely that john went to the hallway, and Mary got the apple.
valid_hypothesis: It is highly unlikely that john went to the hallway, and Mary got the apple.
invalid_hypothesis: It is probably the case that john went to the hallway, and Mary got the apple.
hypothesis_assertion: John went to the hallway, and Mary got the apple.