context: Chances are slight that John went to the kitchen. It is certain that Julius is a rhino. It is impossible that Bill dropped the milk. It is impossible that if either John went to the kitchen, or Julius is a rhino, then Greg is a lion. It is unlikely that if John went to the kitchen, or Julius is a rhino, then Lily is a swan. It is unlikely that if John went to the kitchen, or Bill dropped the milk, then Daniel left the football.
hypothesis: It is impossible that daniel left the football, and Bill dropped the milk.
valid_hypothesis: It is impossible that daniel left the football, and Bill dropped the milk.
invalid_hypothesis: We believe that daniel left the football, and Bill dropped the milk.
hypothesis_assertion: Daniel left the football, and Bill dropped the milk.