I dont get this. help me find the answer?

Question

Look at this thing I found on Youtube. Can you help me spot the error?Find the error
A,B
C,D
E,F
G,H
I,J
K,L
M,N
O,P
Q,R
S,T
U,V
W,X
Y,Z
Did you know that 80% of UCSD students could not find the error above? Repost this with the title "Find the error", and when you click "Submit Post", the answer will be really obvious

Answer 1

Did you know that this thing is posted almost daily?

Answer 2

The comma is wrong on the W and the Y

Answer 3

i saw the exact same thing! there is no error

Answer 4

that ain't hw!!! it says it there that it's obvious because there's nothing wrong with it!!!