context: It is probably not the case that Bill went to the hallway. It is highly unlikely that John got the apple. It is certain that Julius is a swan. It is probably not the case that if either Julius is a swan, or John got the apple, then Winona is a mouse. It is highly unlikely that if Bill went to the hallway, or Julius is a swan, then Daniel left the football. We doubt that if Julius is a swan, and John got the apple, then Greg is a frog.
hypothesis: It is highly unlikely that either Greg is a frog, or John got the apple.
valid_hypothesis: It is highly unlikely that either Greg is a frog, or John got the apple.
invalid_hypothesis: It is certain that either Greg is a frog, or John got the apple.
hypothesis_assertion: Either Greg is a frog, or John got the apple.