Which sentence in the attached paragraph should not be included?

Read the paragraph attached.

(1) School uniforms have a variety of benefits to the school environment.

(2) First, they can help students focus more attention on their schoolwork rather than their fashion.

(3) Today’s students are one of the largest consumer groups in the nation and fashion is a statement students can make about themselves without saying a word.

(4) Fashion is a multi-billion dollar a year industry.

(5) Fashion reflects personality, but it also creates a sense of peer pressure.

(6) Students who cannot afford to buy the latest fashion trends or who wear outdated clothes may be looked down upon or even bullied.

(7) School uniforms help reduce the chances of cliques forming based on fashion as everyone is “equal” in their appearance.

You are assigned to write an essay defending the claim that school uniforms are beneficial to student learning.

Which sentence in the attached paragraph should not be included?
A . sentence 6
B . sentence 5
C . sentence 4
D . sentence 3