context: It is certain that John went to the bedroom. It is unlikely that Sandra got the apple. Chances are slight that Lily is a lion. We doubt that if Sandra got the apple, or John went to the bedroom, then Mary moved to the garden. We doubt that if Sandra got the apple, and John went to the bedroom, then Julius is a frog. Chances are slight that if John went to the bedroom, or Sandra got the apple, then Greg is a frog.
hypothesis: It is probably not the case that lily is a lion, or John went to the bedroom.
valid_hypothesis: It is certain that lily is a lion, or John went to the bedroom.
invalid_hypothesis: It is probably not the case that lily is a lion, or John went to the bedroom.
hypothesis_assertion: Lily is a lion, or John went to the bedroom.