context: A little girl in a gray shirt smiles as she brushes her teeth with a yellow and orange toothbrush.
hypothesis: It is unlikely that a girl fakes a smile to brush her teeth.
valid_hypothesis: It is likely that a girl fakes a smile to brush her teeth.
invalid_hypothesis: It is unlikely that a girl fakes a smile to brush her teeth.
hypothesis_assertion: A girl fakes a smile to brush her teeth.