context: A group of smiling people are posing outdoors for a picture.
hypothesis: It is probably not the case that the group of people are smiling for their family photo.
valid_hypothesis: It is probably not the case that the group of people are smiling for their family photo.
invalid_hypothesis: We believe that the group of people are smiling for their family photo.
hypothesis_assertion: The group of people are smiling for their family photo.