context: A man in a black hat and jacket is sitting down.
hypothesis: It is highly unlikely that a man waiting for a date is wearing a black hat and jacket while he is sitting.
valid_hypothesis: It is highly unlikely that a man waiting for a date is wearing a black hat and jacket while he is sitting.
invalid_hypothesis: It is probably the case that a man waiting for a date is wearing a black hat and jacket while he is sitting.
hypothesis_assertion: A man waiting for a date is wearing a black hat and jacket while he is sitting.