2．“Excuse me,” the old man says to the person next to him on the chair．“Do you see that person with the red trousers and long hair? Is it a boy or a girl?”
3．A lot of boys and girls in America wear the same clothes, and many of them have long hair, so it is often difficult to tell whether(是否)they are boys or girls．
4．“A girl,” said his neighbor (邻居)．“She's my daughter．”
5．One day, an old man goes for a walk in a park in New York and when he is tired he sits down on a chair．A young person(人)is standing on the other side of the chair．
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