context: It is highly unlikely that John went to the garden. It is impossible that Julius is a rhino. We doubt that Brian is green.
hypothesis: It is probably the case that either Brian is green, or Julius is a rhino.
valid_hypothesis: It is unlikely that either Brian is green, or Julius is a rhino.
invalid_hypothesis: It is probably the case that either Brian is green, or Julius is a rhino.
hypothesis_assertion: Either Brian is green, or Julius is a rhino.