context: Two men scrimmage in soccer, as a referee looks on.
hypothesis: It is certain that the ref is watching the two men play soccer before he goes home
valid_hypothesis: Chances are slight that the ref is watching the two men play soccer before he goes home
invalid_hypothesis: It is certain that the ref is watching the two men play soccer before he goes home
hypothesis_assertion: the ref is watching the two men play soccer before he goes home