Problem: Given the question: W: Neither. The red one looks best on you. Believe me, Sam. What was said before this conversation?
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The answer is:
M: Which tie is better for my new shirt, the brown one or the blue one?

Problem: Given the question: M: He is outside sunbathing. What was said before this conversation?
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The answer is:
W: Where is Alex?

Problem: Given the question: M: Why? Because I was almost killed. Some awful driver hit the back wheel of my bicycle and sent me onto the pavement. W: Oh, my God! Are you hurt? M: No, fortunately I'm fine. W: Thank goodness for that! What was said before this conversation?
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The answer is:
W: Why on earth are you so late? I've been waiting for more than half an hour!