context: It is probably the case that Greg is a frog. It is highly likely that John went to the garden. It is probable that Bernhard is gray.
hypothesis: Chances are slight that john went to the garden, and Greg is a frog.
valid_hypothesis: There is a better than even chance that john went to the garden, and Greg is a frog.
invalid_hypothesis: Chances are slight that john went to the garden, and Greg is a frog.
hypothesis_assertion: John went to the garden, and Greg is a frog.