context: At a convention, a man takes a phone call behind the booth where he is selling things while others examine his merchandise.
hypothesis: There is a better than even chance that the man is taking an order on the phone.
valid_hypothesis: There is a better than even chance that the man is taking an order on the phone.
invalid_hypothesis: There is almost no chance that the man is taking an order on the phone.
hypothesis_assertion: The man is taking an order on the phone.