context: A child in a blue and white striped shirt crosses his arms and smiles while standing on red carpeted stairs.
hypothesis: It is impossible that a child is smiling as he watches a clown.
valid_hypothesis: It is impossible that a child is smiling as he watches a clown.
invalid_hypothesis: It is probable that a child is smiling as he watches a clown.
hypothesis_assertion: A child is smiling as he watches a clown.