context: A man wearing a horned hat poses for a picture.
hypothesis: Chances are about even that a man wearing a horned hat smiles and poses for a photograph
valid_hypothesis: Chances are about even that a man wearing a horned hat smiles and poses for a photograph
invalid_hypothesis: It is certain that a man wearing a horned hat smiles and poses for a photograph
hypothesis_assertion: A man wearing a horned hat smiles and poses for a photograph