The Director of a B-school wishes to select four members of a faculty-student committee as representatives to meet with the School's Board of Directors. The faculty-student committee consists of exactly four faculty members -K, L, M and N - and four students - P, Q, R and S. The Director can select any of the committee members as representatives as long as he observes the following restrictions
(i) The group of four representatives must consist of exactly two faculty members and two students.
(ii) Either K or L must be one of the representatives, but K and L cannot both be representatives.
(iii) If P is a representative, M must also be a representative.
(iv) If R is a representative, L cannot be a representative.
If P is a representative, which of the following cannot also be a representative?
