context: A person wearing jeans, a blue shirt and a helmet is riding a four-wheeler in a sandy area.
hypothesis: It is likely that a man is driving a four wheeler on the beach.
valid_hypothesis: It is likely that a man is driving a four wheeler on the beach.
invalid_hypothesis: There is little chance that a man is driving a four wheeler on the beach.
hypothesis_assertion: A man is driving a four wheeler on the beach.