Rate the following argument fragment on its writing, argument, and language skills:
Evidence: They even indicate the difference between a genuine smile and a forced one. In the real smile, the Zygomatic major (muscles that begin at your cheek bones) lift the corners of your mouth. Meanwhile,muscles called orbicularis oculi pars palpabraeus make crow's-feet around your eyes. But in a false smile, the mouth is stretched sideways using the Zygomatic major and a different muscle, the risorius.

Score: 0