context: A woman is walking with a boy who is holding a flag.
hypothesis: It is certain that a mother is walking with her child who is holding up an american flag.
valid_hypothesis: It is impossible that a mother is walking with her child who is holding up an american flag.
invalid_hypothesis: It is certain that a mother is walking with her child who is holding up an american flag.
hypothesis_assertion: A mother is walking with her child who is holding up an american flag.