context: It is unlikely that Greg is green. It is impossible that Julius is a rhino. It is improbable that Brian is a frog.
hypothesis: It is highly likely that julius is a rhino, or Brian is a frog.
valid_hypothesis: Chances are slight that julius is a rhino, or Brian is a frog.
invalid_hypothesis: It is highly likely that julius is a rhino, or Brian is a frog.
hypothesis_assertion: Julius is a rhino, or Brian is a frog.