Rate the following argument fragment on its writing, argument, and language skills:
Lead: In 1976 something very strange was found by the Viking 1 spacecraft. It appeared to be a face on the surface of the planet Mars. With this discovery NASA scientists took further investigations into what this picture could actually be. The scientists looked at the picture and determined that it was not a face only a mesa that looked like a face because shadows were casted onto it.

Score: 1