I have set Advanced Permission enable, how can i set this correctly for certain group :

example case:
NEWS PAGES ->how can i hide edit button here?
|
|___Celebrity(sub pages) ->how can i hide add button here?

but all the seting is inherit, i have play this advanced permisin for a day, logout and login again with another user, and see what different. but i cannot acompilish that seting.

someone know about this configuration please tell me if it can or not?
thank you.