A: I would like to order some internet today.
B: What kind would you like?
A: What kind of internet is there?
B: You can get DSL or dial-up.
A: Which of those two is best?
B: I would recommend DSL.
A: Is that one better?
B: It's better because it doesn't tie up your phone.
A: What do you mean by that?
B: DSL isn't connected through your phone line, but dial-up is.
A: So then I can't use my phone if I'm on the internet?
B: That's correct. With DSL you can do both.
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