context: It is probably not the case that Antoine is tired. Chances are about even that Lily is a swan. It is probably the case that Jeff went to the bedroom.
hypothesis: There is a better than even chance that either Jeff went to the bedroom, or Antoine is tired.
valid_hypothesis: There is a better than even chance that either Jeff went to the bedroom, or Antoine is tired.
invalid_hypothesis: There is little chance that either Jeff went to the bedroom, or Antoine is tired.
hypothesis_assertion: Either Jeff went to the bedroom, or Antoine is tired.