Task: Text Completion
Input (English): The man in the dark green shirt places a strap and link to the climbing wall and loops a rope through the clip. the man <sep> (A) walks into the darkened room, sits on a rock, gets a jacket, and demonstrates how to saddle up. (B) reverses the strap position and loops the rope through the strap eye link. (C) eventually goes under the stone and sits with his knees apart wearing a black mask. (D) passes the climber area and it's an open area.
Output (English): B