A: Maybe that has something to do with it.

B: If that’s it. I find it very depressing.

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A: Does this have anything to do with you?

B: Yes, it does.

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A: How are you related to him?

B: He’s my uncle.

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A: Are these two related to each other?

B: No, there’s no relation.

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A: Are you involved in this?

B: No, I’m not.

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A: How is this connected with that?

B: There’s no connection.

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A: Is there any relationship between weight and health?

B: Yes, there is.

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A: Does your work have anything common with his work?

B: No, nothing in common.