context: A man is sitting on a blue bench with a blue blanket covering his face.
hypothesis: There is a better than even chance that a man is taking a nap on a bench.
valid_hypothesis: There is a better than even chance that a man is taking a nap on a bench.
invalid_hypothesis: It is improbable that a man is taking a nap on a bench.
hypothesis_assertion: A man is taking a nap on a bench.