context: It is highly likely that John picked up the apple. There is little chance that Lily is green. Chances are about even that Emily is a sheep. Chances are about even that if either Lily is green, or John picked up the apple, then Mary left the milk. We doubt that if John picked up the apple, and Lily is green, then Julie is in the bedroom. It is almost certain that if either Lily is green, or John picked up the apple, then Winona is a wolf.
hypothesis: It is highly likely that john picked up the apple, or Winona is a wolf.
valid_hypothesis: It is highly likely that john picked up the apple, or Winona is a wolf.
invalid_hypothesis: It is improbable that john picked up the apple, or Winona is a wolf.
hypothesis_assertion: John picked up the apple, or Winona is a wolf.