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阅读下列对话，判断正(T)误(F)。
Alice and Paul are in the park.
Alice: Please don't shout, Paul. Some women are singing.
Paul: I'm sorry. Can I swim in the river, Alice?
Alice: No, you can't. Look! Here's a sign (标识) near the river. It says, “No swimming!”
Paul: I see. Can we play football over there?
Alice: Yes.
Paul: Look! A boy is climbing the tree.
Alice: Let's go and stop (阻止) him.
Paul: OK!
1．Some men are singing in the park. (      )
2．There's a sign near the river. (      )
3．The children can swim in the river. (      )
4．The boy can't climb the tree in the park. (      )
5．Alice and Paul can play football in the park. (      )