context: A bald man in a red shirt and khaki shorts buys something from a woman wearing a visor in a store.
hypothesis: Chances are about even that a man in khaki shorts is buying a snack.
valid_hypothesis: Chances are about even that a man in khaki shorts is buying a snack.
invalid_hypothesis: It is impossible that a man in khaki shorts is buying a snack.
hypothesis_assertion: A man in khaki shorts is buying a snack.