Task: Text Completion
Input (English): . a boy and girl in a karate uniform <sep> (A) come running down a street. (B) are playing in front of a camera. (C) attack each other in a karate park on a playground in a concrete ring. (D) gently glide down a long middle with their great opens arm extended and then taunt and then duck and then advance while doing their karate routine in an upward motion.
Output (English): B