Read the following conversation and answer the question. M: Is this the check-in counter for Flight 914 to Los Angeles? M: Yes, but I'm sorry the flight is delayed because of a minor mechanical problem. Please wait for further notice. Question: What do we learn from this conversation? - The man went to a wrong check-in counter. - The man has just missed his flight. - The plane's departure time remains unknown.
Answer:
The plane's departure time remains unknown.