He was tied to the front of the booth for most of the weekend , making it hard to talk to him for long . The other wandered the perimeter and had a bit more freedom . When I saw him on Saturday he said , " I see what you mean by the , you know , smell ... " I laughed . He added " it 's not constant or anything , but I ' m glad you warned us .

Question: Why did the writer laugh ?
Answer: Because the writer saw him on Saturday .None of the above choices .Because the man was tied to the front booth .Because it was hard to talk to the man for long .