context: There is almost no chance that John went to the hallway. It is certain that Lily is a lion. It is likely that Mary grabbed the milk.
hypothesis: It is certain that either John went to the hallway, or Lily is a lion.
valid_hypothesis: It is certain that either John went to the hallway, or Lily is a lion.
invalid_hypothesis: It is probably not the case that either John went to the hallway, or Lily is a lion.
hypothesis_assertion: Either John went to the hallway, or Lily is a lion.