Are these sentences correct? Please help

[scott833]

1) You can ask the waiter for clarification on/for this particular dish.
2) One of the server's job responsibility is to do clarification for dish on the menu to customer.
3) One of the server's job responsibility is to clarify to customer about dish on the menu.

[SlickVic9000]

*Not a Teacher*

1) You can ask the waiter for clarification on this particular dish.
2) One of the server's job responsibilities is to clarify the dish on the menu for the customer.

-- The corrections to 2# can be applied to 3#.