context: A man drags a young boy in swim trunks into the surf at what appears to be a beach in a tropical location.
hypothesis: Chances are slight that a man is teaching a boy how to swim.
valid_hypothesis: It is likely that a man is teaching a boy how to swim.
invalid_hypothesis: Chances are slight that a man is teaching a boy how to swim.
hypothesis_assertion: A man is teaching a boy how to swim.