context: We believe that Brian is green. It is almost certain that Sandra got the football. It is probably the case that Winona is a cat. It is unlikely that if Winona is a cat, and Sandra got the football, then John moved to the office. It is likely that if either Winona is a cat, or Brian is green, then Julius is yellow. There is a very good chance that if either Winona is a cat, or Brian is green, then Greg is gray.
hypothesis: It is highly likely that winona is a cat, and Julius is yellow.
valid_hypothesis: It is improbable that winona is a cat, and Julius is yellow.
invalid_hypothesis: It is highly likely that winona is a cat, and Julius is yellow.
hypothesis_assertion: Winona is a cat, and Julius is yellow.