context: It is likely that Mary went to the hallway. It is improbable that Lily is green. It is probable that Julius is a frog. It is probable that if either Julius is a frog, or Lily is green, then Greg is a swan. We doubt that if Mary went to the hallway, or Lily is green, then Daniel left the apple. There is little chance that if Mary went to the hallway, or Lily is green, then Brian is yellow.
hypothesis: We doubt that either Lily is green, or Daniel left the apple.
valid_hypothesis: We doubt that either Lily is green, or Daniel left the apple.
invalid_hypothesis: It is highly likely that either Lily is green, or Daniel left the apple.
hypothesis_assertion: Either Lily is green, or Daniel left the apple.