Rate the following argument fragment on its writing, argument, and language skills:
Evidence: In paragraph eleven of "Unmasking the Face on Mars", Garvin says, "As a thumbs rule, you can discern things in a digital image three times bigger then the pixel size, So, if there were objects in this picture like airplanes on the ground or Egyptian-style pyramids or even small shacks, you could see what there were!

Score: 1