Rate the following argument fragment on its writing, argument, and language skills:
Evidence: By using facial coding, the computer could adjust the lesson like a human tutor would. for those students struggling to understand the certain area, the computer would "modify the lesson like an effective human instructor" (D'Alto).

Likewise, some students are above the level they are given, academically, and need more of a challenge. Through reading their emotions, the computer could arrange harder concepts for the student.

Score: 2