context: It is probable that Brian is a frog. Chances are about even that John went to the bedroom. Chances are about even that Julius is white.
hypothesis: It is likely that brian is a frog, and John went to the bedroom.
valid_hypothesis: It is probably not the case that brian is a frog, and John went to the bedroom.
invalid_hypothesis: It is likely that brian is a frog, and John went to the bedroom.
hypothesis_assertion: Brian is a frog, and John went to the bedroom.