context: There is a very good chance that Julius is a swan. It is probably not the case that John grabbed the milk. There is a very good chance that Mary went to the kitchen. It is almost certain that if Julius is a swan, or Mary went to the kitchen, then Bernhard is a frog. It is unlikely that if Mary went to the kitchen, and John grabbed the milk, then Greg is yellow. It is unlikely that if either John grabbed the milk, or Julius is a swan, then Brian is gray.
hypothesis: There is almost no chance that julius is a swan, or Greg is yellow.
valid_hypothesis: There is a very good chance that julius is a swan, or Greg is yellow.
invalid_hypothesis: There is almost no chance that julius is a swan, or Greg is yellow.
hypothesis_assertion: Julius is a swan, or Greg is yellow.