context: A man in a blue plaid shirt and blue jeans, wearing a black helmet, pauses to drink water next to a large blue steel corrugated tube.
hypothesis: There is almost no chance that the man is drinking water after riding a bicycle.
valid_hypothesis: There is almost no chance that the man is drinking water after riding a bicycle.
invalid_hypothesis: Chances are about even that the man is drinking water after riding a bicycle.
hypothesis_assertion: The man is drinking water after riding a bicycle.