M: Don't worry. I'm very healthy. What was said before this conversation?
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Answer: F: Put on your coat, or you'll catch a cold!

M: Certainly. We arrive there at ten and leave at twelve. What was said before this conversation?
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Answer: F: Do you have to change planes in Tokyo, Jim?

M: I'd go early if I were you. The motorway can get very busy, even on a Saturday. You may get stuck in the traffic. What was said before this conversation?
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Answer:
W: I may drive up to London on Saturday. There are one or two things I need to do there.