context: It is impossible that Sandra left the apple. It is certain that Mary moved to the garden. It is probably not the case that John went to the kitchen. It is unlikely that if Mary moved to the garden, or Sandra left the apple, then Bernhard is a frog. It is unlikely that if Mary moved to the garden, and John went to the kitchen, then Fred is in the bedroom. It is probable that if Sandra left the apple, or John went to the kitchen, then Lily is a lion.
hypothesis: There is a better than even chance that sandra left the apple, or Fred is in the bedroom.
valid_hypothesis: It is highly unlikely that sandra left the apple, or Fred is in the bedroom.
invalid_hypothesis: There is a better than even chance that sandra left the apple, or Fred is in the bedroom.
hypothesis_assertion: Sandra left the apple, or Fred is in the bedroom.