context: It is probably not the case that Mary dropped the milk. There is almost no chance that Greg is a frog. Chances are about even that John went to the bedroom.
hypothesis: There is almost no chance that greg is a frog, or John went to the bedroom.
valid_hypothesis: Chances are about even that greg is a frog, or John went to the bedroom.
invalid_hypothesis: There is almost no chance that greg is a frog, or John went to the bedroom.
hypothesis_assertion: Greg is a frog, or John went to the bedroom.