Task: Text Completion
Input (English): There are several people getting ready to ski. there <sep> (A) 's a person skiing downhill with full speed whose shadow can be seen. (B) are several tubes lined up in a lined pathway going down a hill. (C) is a man sitting at a piano and playing the piano for the very first time. (D) are numerous inches of snow on the ground and they're playing snowboard.
Output (English): A