W: She said she would never have bought an Italian style dress if she had known Mary had already got such a dress. What was said before this conversation?
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Answer: M: How does Nancy like the new dress she bought in Rome?

W: No, he is out having supper. What was said before this conversation?
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Answer: M: Shall we wait for Tom to have supper?

W: So do I. I'll fall asleep if I stay here any longer. What was said before this conversation?
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Answer:
M: It's so hot today. I simply can't work. I wish there were a fan in this room.