context: It is unlikely that Julius is yellow. It is certain that Gertrude is a wolf. It is highly unlikely that Mary moved to the office. We believe that if Julius is yellow, or Mary moved to the office, then Lily is green. There is a very good chance that if Mary moved to the office, and Gertrude is a wolf, then John picked up the apple. It is improbable that if Gertrude is a wolf, and Julius is yellow, then Greg is a frog.
hypothesis: It is likely that either Mary moved to the office, or Julius is yellow.
valid_hypothesis: It is probably not the case that either Mary moved to the office, or Julius is yellow.
invalid_hypothesis: It is likely that either Mary moved to the office, or Julius is yellow.
hypothesis_assertion: Either Mary moved to the office, or Julius is yellow.