context: It is almost certain that Bill is in the school. It is certain that John picked up the milk. There is almost no chance that Mary left the football. It is unlikely that if Mary left the football, or John picked up the milk, then Greg is yellow. We believe that if either Mary left the football, or Bill is in the school, then Julius is gray. It is almost certain that if Bill is in the school, and Mary left the football, then Winona is a cat.
hypothesis: It is improbable that winona is a cat, or John picked up the milk.
valid_hypothesis: It is certain that winona is a cat, or John picked up the milk.
invalid_hypothesis: It is improbable that winona is a cat, or John picked up the milk.
hypothesis_assertion: Winona is a cat, or John picked up the milk.