Task: Text Completion
Input (English): A young man plays the violin on a sidewalk for people passing by in downtown area. two students <sep> (A) of swimming are in the swimming pool watching him play the violin. (B) play the violin on front people who pass by in street, looking at the violin. (C) are playing drums in a park while other people walk past on sidewalk. (D) walk by behind the musician while he plays.
Output (English): D