context: It is highly likely that Sandra took the milk. It is certain that Bernhard is gray. It is probably not the case that Mary moved to the office. It is highly unlikely that if either Sandra took the milk, or Bernhard is gray, then Lily is a frog. It is probably not the case that if either Mary moved to the office, or Sandra took the milk, then Emily is a cat. It is certain that if Sandra took the milk, and Bernhard is gray, then Gertrude is a wolf.
hypothesis: It is certain that gertrude is a wolf, or Bernhard is gray.
valid_hypothesis: It is certain that gertrude is a wolf, or Bernhard is gray.
invalid_hypothesis: There is little chance that gertrude is a wolf, or Bernhard is gray.
hypothesis_assertion: Gertrude is a wolf, or Bernhard is gray.