Several climbers in a row are climbing the rock while the man in red watches and holds the line .
The man in red is a trained rescuer .
Several climbers in a row are climbing the rock while the man in red watches and holds the line.
The man in red is a trained rescuer.
We cant assure that,the  man in red is a trained rescuer.
We cant assure that , the man in red is a trained rescuer .