There can either be a girl or a boy, but not both. Hello Kitty gloves and a red snowsuit is not a type of Halloween costume, so the subject can be wearing either a Halloween costume or Hello Kitty gloves and a red snowsuit, but not both


Context: "The small girl in the Hello Kitty gloves and red snowsuit smiles while sitting on a large snowball."
Hypothesis: The little boy is wearing a Halloween costume.
Based on the context, is the hypothesis true, false, or unknown?