context: It is likely that Mary left the milk. Chances are slight that John went to the hallway. It is improbable that Lily is a frog.
hypothesis: There is almost no chance that lily is a frog, and John went to the hallway.
valid_hypothesis: There is almost no chance that lily is a frog, and John went to the hallway.
invalid_hypothesis: We believe that lily is a frog, and John went to the hallway.
hypothesis_assertion: Lily is a frog, and John went to the hallway.