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". 

Example Input: People are standing in a swimming pool. they <sep> (A) are playing a game of water polo. (B) put on protective caps to ward off the cold. (C) dip a sponge into the water. (D) push themselves through a hole in the water.
Example Output: A

Example Input: The juvenile gives to the young man a shoe, then he sprays polish on the shoe and shows a toothbrush while talking. Then, the juvenile puts foam on the shoe and brush with the toothbrush. the young man <sep> (A) puts on white socks and fits on the shoe. (B) throws the shoe onto the table and rubs the shoe with white soap. (C) gives back the mirror to the juvenile and the juvenile waste the foam on his shoe, then he continues talking. (D) brushes the shoe with foam while they talk.
Example Output: D

Example Input: There is man in a red uniform prepping to get on and start performing. he <sep> (A) gets on the balance beam and starts to spin around and around. (B) shakes a bottle full of water and then continues doing preparation. (C) climbs up a large red lift out of a room. (D) starts as he has to in the beginning.
Example Output:
A