context: There is a very good chance that Lily is green. It is probable that Brian is a rhino. Chances are slight that Mary went to the office. There is a very good chance that if Lily is green, or Mary went to the office, then Sumit is thirsty. It is certain that if Brian is a rhino, and Lily is green, then John picked up the apple. It is likely that if Brian is a rhino, or Lily is green, then Greg is a frog.
hypothesis: Chances are about even that john picked up the apple, and Greg is a frog.
valid_hypothesis: Chances are about even that john picked up the apple, and Greg is a frog.
invalid_hypothesis: There is almost no chance that john picked up the apple, and Greg is a frog.
hypothesis_assertion: John picked up the apple, and Greg is a frog.