context: A young boy plays with the contents of a pantry and a cash register, pretending he runs a grocery store.
hypothesis: It is certain that a young boy is playing with flour and sugar bags.
valid_hypothesis: We doubt that a young boy is playing with flour and sugar bags.
invalid_hypothesis: It is certain that a young boy is playing with flour and sugar bags.
hypothesis_assertion: A young boy is playing with flour and sugar bags.