context: It is likely that Sandra left the apple. It is likely that Lily is yellow. There is a better than even chance that Julius is a lion. It is probably not the case that if Sandra left the apple, and Lily is yellow, then John went to the hallway. There is a very good chance that if either Julius is a lion, or Lily is yellow, then Bernhard is a frog. It is probable that if Lily is yellow, and Julius is a lion, then Bill moved to the office.
hypothesis: It is almost certain that john went to the hallway, and Sandra left the apple.
valid_hypothesis: It is improbable that john went to the hallway, and Sandra left the apple.
invalid_hypothesis: It is almost certain that john went to the hallway, and Sandra left the apple.
hypothesis_assertion: John went to the hallway, and Sandra left the apple.