context: It is probably the case that Brian is a frog. It is unlikely that Lily is green. Chances are about even that Mary went to the garden. It is almost certain that if either Brian is a frog, or Lily is green, then Sumit is thirsty. It is improbable that if Brian is a frog, and Lily is green, then John moved to the office. There is a very good chance that if Lily is green, or Brian is a frog, then Julius is green.
hypothesis: It is impossible that either Sumit is thirsty, or John moved to the office.
valid_hypothesis: There is a better than even chance that either Sumit is thirsty, or John moved to the office.
invalid_hypothesis: It is impossible that either Sumit is thirsty, or John moved to the office.
hypothesis_assertion: Either Sumit is thirsty, or John moved to the office.