context: A group of people in bright green vests are purchasing food.
hypothesis: It is almost certain that a group of people in green vests purchase food for lunch.
valid_hypothesis: Chances are about even that a group of people in green vests purchase food for lunch.
invalid_hypothesis: It is almost certain that a group of people in green vests purchase food for lunch.
hypothesis_assertion: a group of people in green vests purchase food for lunch.