A: My house is much too stuffy nowadays.
B: It's the hot weather.
A: I bought an air conditioner, but it doesn't help at night.
B: I heard it's bad to leave it on at night.
A: Why can't I leave it on at night?
B: It causes you to catch cold.
A: I bought a fan, but it makes too much noise.
B: Why don't you install a ceiling fan?
A: Are they quiet?
B: Yes, and inexpensive, too.
A: Is it easy to install?
B: Yes. If they weren't, they'd fall on people all the time.
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