context: It is probable that Daniel took the football. It is certain that Bernhard is gray. There is little chance that Greg is a lion. Chances are about even that if Daniel took the football, or Greg is a lion, then Mary went to the kitchen. It is certain that if either Bernhard is gray, or Daniel took the football, then Gertrude is a cat. There is a better than even chance that if Greg is a lion, or Bernhard is gray, then Sumit is thirsty.
hypothesis: There is a better than even chance that mary went to the kitchen, and Greg is a lion.
valid_hypothesis: It is highly unlikely that mary went to the kitchen, and Greg is a lion.
invalid_hypothesis: There is a better than even chance that mary went to the kitchen, and Greg is a lion.
hypothesis_assertion: Mary went to the kitchen, and Greg is a lion.