context: It is certain that Fred went to the bedroom. Chances are slight that John left the football. There is almost no chance that Greg is a frog. It is probably the case that if Fred went to the bedroom, or Greg is a frog, then Gertrude is a wolf. It is likely that if either John left the football, or Fred went to the bedroom, then Sumit is thirsty. There is little chance that if either Fred went to the bedroom, or John left the football, then Lily is a swan.
hypothesis: It is unlikely that lily is a swan, or John left the football.
valid_hypothesis: It is unlikely that lily is a swan, or John left the football.
invalid_hypothesis: It is highly likely that lily is a swan, or John left the football.
hypothesis_assertion: Lily is a swan, or John left the football.