context: It is probable that Antoine is hungry. It is impossible that Mary got the milk. Chances are about even that Lily is white. There is a better than even chance that if Mary got the milk, or Lily is white, then Greg is a lion. It is improbable that if Antoine is hungry, and Lily is white, then Julius is yellow. It is improbable that if Lily is white, and Mary got the milk, then John picked up the apple.
hypothesis: It is likely that either Julius is yellow, or Antoine is hungry.
valid_hypothesis: It is likely that either Julius is yellow, or Antoine is hungry.
invalid_hypothesis: There is little chance that either Julius is yellow, or Antoine is hungry.
hypothesis_assertion: Either Julius is yellow, or Antoine is hungry.