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 certain that a child laughs as her hair sticks up.
valid_hypothesis: It is certain that a child laughs as her hair sticks up.
invalid_hypothesis: It is probably not the case that a child laughs as her hair sticks up.
hypothesis_assertion: A child laughs as her hair sticks up.