Task: Text Completion
Input (English): This video shows viewers how to do a kickboxing elbow strike. first the man <sep> (A) demonstrates some kickboxing moves. (B) applies some pepper to the boot, and then applies some more pepper to the boot brush. (C) tells viewers to make the elbow sharp as possible and his hand stays inwards, elbow downwards, and his opposite hand is up. (D) sticks out his leg and takes one strike after another, quickly moving his body forward and back until he is in the exact position he was in previously.
Output (English): C