Guaranteed work?

A customer wants me to do his place. He wants me to guaruntee that the carpet will look like new when I'm done...over the phone. He sent these pics and said if I can't get it cleaned he will not pay. What do you guys think ? Pass? View attachment 25441 View attachment 25442 View attachment 25443 View attachment 25444 View attachment 25445 View attachment 25446 View attachment 25447 View attachment 25448