Q: What does the woman mean?
A) She knows where Martha has gone.
B) Martha will go to the concert by herself.
C) It is quite possible for the man to find Martha.
D) The man is going to meet Martha at the concert.
Q: What does the man mean?
A) The air pollution is caused by the development of industry.
B) The city was poor because there wasn't much industry then.
C) The woman's exaggerating the seriousness of the pollution.
D) He might move to another city very soon.