Task: Text Completion
Input (English): A third man is seen in a car next to the man talking. The man wearing the helmet starts down the street on a skateboard. the man <sep> (A) continues forward as well as back on the skateboard. (B) runs past three other bikes, then stops to talk to a man standing in front. (C) goes down a few very steep hills on his skateboard. (D) wearing the helmet rides his skateboard.
Output (English): C