context: It is likely that Julius is yellow. We believe that Sandra left the milk. It is probably not the case that Greg is a frog. There is almost no chance that if Greg is a frog, or Sandra left the milk, then Mary got the milk. It is probable that if either Julius is yellow, or Sandra left the milk, then Bernhard is a swan. It is likely that if Julius is yellow, and Sandra left the milk, then Bill went to the garden.
hypothesis: It is highly unlikely that sandra left the milk, or Bill went to the garden.
valid_hypothesis: We believe that sandra left the milk, or Bill went to the garden.
invalid_hypothesis: It is highly unlikely that sandra left the milk, or Bill went to the garden.
hypothesis_assertion: Sandra left the milk, or Bill went to the garden.