context: There is little chance that Mary is in the bedroom. It is probable that Greg is a swan. It is probably not the case that Brian is a lion. It is probable that if either Brian is a lion, or Mary is in the bedroom, then Yann is thirsty. It is impossible that if Mary is in the bedroom, and Brian is a lion, then Bill went to the hallway. It is improbable that if Mary is in the bedroom, and Greg is a swan, then John picked up the apple.
hypothesis: There is a very good chance that john picked up the apple, or Yann is thirsty.
valid_hypothesis: It is unlikely that john picked up the apple, or Yann is thirsty.
invalid_hypothesis: There is a very good chance that john picked up the apple, or Yann is thirsty.
hypothesis_assertion: John picked up the apple, or Yann is thirsty.