W: What can I do for you
M: I want to buy some stamps. How much is a stamp
W: Twenty cents.
M: I also want some envelopes.
W: How many do you want
M: Ten stamps and four envelopes.
W: Ten stamps and four envelopes. $ 2.20 in all. Anything else
M: No, thanks. Here is the money.
W: Here are your stamps and envelopes.
M: Thank you.
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