Read the following passage and solve the questions based on it.
Out of a stock of five essences, viz., L, M, N, O and P, two or more essences are used by a manufacturer in making all the perfumes. He has learned that for a blend of essences to be agreeable, they should comply with all the rules
(i) A perfume containing the essence L should also contain the essence N and the quantity of N should be twice as that of L.
(ii) A perfume containing the essence M must also have the essence O as one of its components and they should both be in equal proportions.
(iii) No perfume should contain the essence N as well as the essence O.
(iv) The essence O and P the essence should not be used together.
(v) A perfume containing the essence P should contain it in such a proportion that the total amount of the essence P present should be greater than the total amount of the other essence or essences used.
The addition of which combination among the following would make an unagreeable perfume containing two parts N and one part P agreeable?