Read the following conversation and answer the question. W: Good morning! This is Clean Air hot line. May I help you? M: Yes, I'd like to report a smoking vehicle running on King Street. Question: What can we learn from the conversation? - It is a hot and smoggy day. - There is a traffic jam on King Street. - A vehicle is polluting the air.
The answer to this question is:
A vehicle is polluting the air.