In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

Ex Input:
A woman cleans a cafeteria floor with a mop while occasionally talking to the camera. the woman <sep> (A) uses a mop on the floor under her chair and in a bucket. (B) uses the mop around the tables and some seating areas as well as around fork corners. (C) uses a mop nozzle to clean the floor. (D) walks to and cleans a different part of the cafeteria floor.

Ex Output:
D


Ex Input:
A crowd is gathered around a black tiled area. a man in black <sep> (A) pants in front of the crowd runs a rope around a man's neck. (B) raws is talking to the camera. (C) shirt is on the middle of the circle. (D) does some breakdance moves.

Ex Output:
D


Ex Input:
[header] How to get dry erase marker out of clothing [title] Place an absorbent towel under the fabric. [step] The towel you use will probably get stained, so choose an old towel you do not mind damaging. Place the towel underneath the fabric you're cleaning on a flat surface, like a counter. <sep> (A) If you have an absorbent towel, lay it down so the sticky part is facing you. Press down on the towel, using as much force as you can. (B) Make sure the towel is thick enough to absorb excess moisture. [title] Dip a toothbrush in murphy's oil. (C) The absorbent towel will absorb any residual water. [title] Rub the dry erase marker stain on the garment. (D) You'll get better results with the towel stretched across the entire surface. [title] Choose a spot to wipe out the marker.

Ex Output:

B