context: It is highly likely that Lily is gray. Chances are about even that Bernhard is a swan. It is probably not the case that Mary went to the office.
hypothesis: It is highly likely that lily is gray, and Mary went to the office.
valid_hypothesis: We doubt that lily is gray, and Mary went to the office.
invalid_hypothesis: It is highly likely that lily is gray, and Mary went to the office.
hypothesis_assertion: Lily is gray, and Mary went to the office.