context: It is probably not the case that Gertrude is a cat. There is a better than even chance that Bill went to the kitchen. There is almost no chance that Bernhard is white. We doubt that if Gertrude is a cat, and Bill went to the kitchen, then Daniel left the football. It is improbable that if Gertrude is a cat, and Bill went to the kitchen, then Julius is gray. It is unlikely that if Gertrude is a cat, and Bernhard is white, then Lily is a swan.
hypothesis: There is a better than even chance that daniel left the football, or Bill went to the kitchen.
valid_hypothesis: There is a better than even chance that daniel left the football, or Bill went to the kitchen.
invalid_hypothesis: It is highly unlikely that daniel left the football, or Bill went to the kitchen.
hypothesis_assertion: Daniel left the football, or Bill went to the kitchen.