Task: Text Completion
Input (English): A man reached for an item in the pool, and tosses the item at someone in the pool who is not shown in the picture. the two men <sep> (A) then hide behind each other as they splash the swimming rod. (B) lay down on a towel and began arm wrestling. (C) perform a series of fake swim back and forth dives, backflips, knee bends, and of course flip into the water. (D) then begin poolside horseplay, one of them throwing the other one into the pool.
Output (English): D