context: A man wearing a hat sitting on the side of a hill looking towards the water.
hypothesis: There is a better than even chance that the man is watching boats pass by while sitting on the hill.
valid_hypothesis: There is a better than even chance that the man is watching boats pass by while sitting on the hill.
invalid_hypothesis: It is impossible that the man is watching boats pass by while sitting on the hill.
hypothesis_assertion: The man is watching boats pass by while sitting on the hill.