A、The man and woman shopped all over town. B、The woman bought some bookcases on sale. C、The woman went to many different stores.

W: What are these things in our suitcase? There aren’t any toys at all. Where have you put them?
M: Oh, no; This is not our suitcase. The old lady must have taken ours by mistake. She was sitting next to us at the restaurant.
Q: What can we infer from the conversation?

M: Did you find what you wanted? You’ve been gone all afternoon.
W: I looked all over town, but couldn’t find any bookcases on sale. They’re so expensive. I guess I’ll wait a while longer.
Q: What is obvious from the conversation?