context: A female child in a white, long-sleeved shirt is kneeling on a couch, laughing as her hair is sticking up.
hypothesis: It is probably not the case that a child laughs at her mothers joke on a couch.
valid_hypothesis: It is probably not the case that a child laughs at her mothers joke on a couch.
invalid_hypothesis: It is highly likely that a child laughs at her mothers joke on a couch.
hypothesis_assertion: A child laughs at her mothers joke on a couch.