context: A man wearing a jacket is listening to headphones while walking down the sidewalk along a street.
hypothesis: It is impossible that an old man listening to rock walking down the sidewalk.
valid_hypothesis: It is impossible that an old man listening to rock walking down the sidewalk.
invalid_hypothesis: It is highly likely that an old man listening to rock walking down the sidewalk.
hypothesis_assertion: An old man listening to rock walking down the sidewalk.