context: It is unlikely that Lily is a rhino. Chances are slight that John got the football. There is little chance that Julius is a frog.
hypothesis: It is probably not the case that lily is a rhino, or John got the football.
valid_hypothesis: It is probably not the case that lily is a rhino, or John got the football.
invalid_hypothesis: There is a very good chance that lily is a rhino, or John got the football.
hypothesis_assertion: Lily is a rhino, or John got the football.