context: A man with a striped shirt looks at a load of green and yellow vegetables on the back of a truck.
hypothesis: There is a better than even chance that a man selling vegetables from the back of a truck.
valid_hypothesis: There is a better than even chance that a man selling vegetables from the back of a truck.
invalid_hypothesis: It is improbable that a man selling vegetables from the back of a truck.
hypothesis_assertion: A man selling vegetables from the back of a truck.