Excel function consultation: As shown in the figure, I need to compare the information of people with the same name. Different background colors turn red. How to compile a function?

B3 Set the conditional format: the cell value is not equal to =vlookup(A3, $ a $2: $ d2,2, false), set the background color to red, and drag the format brush down.

C3 sets the conditional format: the cell value is not equal to =vlookup(A3, $ a $2: $ d2,3, false). Set the background color to red and drag the format brush down.

D3 Set the conditional format: the cell value is not equal to =vlookup(A3, $ a $2: $ d2,4, false) Set the background color to red, and drag the format brush down.