context: A man in gray uniform is cutting something on the ground while a man in white uniform is watching him.
hypothesis: It is likely that a man watches as another man picks up something from the ground.
valid_hypothesis: There is almost no chance that a man watches as another man picks up something from the ground.
invalid_hypothesis: It is likely that a man watches as another man picks up something from the ground.
hypothesis_assertion: A man watches as another man picks up something from the ground.