context: It is probable that John went to the kitchen. There is a very good chance that Julius is gray. It is almost certain that Bernhard is a frog. There is a very good chance that if John went to the kitchen, or Julius is gray, then Jessica is a mouse. There is little chance that if Bernhard is a frog, and Julius is gray, then Lily is a lion. It is highly unlikely that if either John went to the kitchen, or Julius is gray, then Sumit is thirsty.
hypothesis: It is impossible that john went to the kitchen, and Sumit is thirsty.
valid_hypothesis: It is impossible that john went to the kitchen, and Sumit is thirsty.
invalid_hypothesis: There is a better than even chance that john went to the kitchen, and Sumit is thirsty.
hypothesis_assertion: John went to the kitchen, and Sumit is thirsty.