context: There is a very good chance that Sandra grabbed the milk. There is almost no chance that Mary dropped the milk. It is probable that Brian is gray. It is highly likely that if Mary dropped the milk, and Sandra grabbed the milk, then Julius is a frog. It is unlikely that if Sandra grabbed the milk, or Mary dropped the milk, then Greg is white. It is impossible that if Sandra grabbed the milk, and Mary dropped the milk, then Bernhard is a swan.
hypothesis: There is almost no chance that julius is a frog, and Brian is gray.
valid_hypothesis: There is almost no chance that julius is a frog, and Brian is gray.
invalid_hypothesis: We believe that julius is a frog, and Brian is gray.
hypothesis_assertion: Julius is a frog, and Brian is gray.