Rate the following argument fragment on its writing, argument, and language skills:
Evidence: This coding system is very smart and can tell if you are doing a fake smile of some sort. If you use a fake smile the system will tell if you are because when you are the mouth is streched sideways using the zygomatic major wih some different muscles. To an expert they said "faces don't lie" these muscle clues are often sometimes used to spot if a celebrity or a politician is being truthful.

Score: 1