Task: Text Completion
Input (English): A little boy is climbing up the stairs of a play gym, he stops once and points at a red tube opening but passes it. he <sep> (A) climbs to the top, grabs the tube and is pulled down the stairs. (B) gets to the red tube slide at the top and points to it and then slides down. (C) throws a rock up into the tube but it never goes far enough. (D) shows a door with several signs that say " access to your home ".
Output (English): B