Directions: Study the following information carefully and answer the questions below.

Eight persons viz. S, T, U, V, W, X, Y and Z are working in different designations in a police department, but not necessarily in the same order. Their designations are Commissioner, Deputy Commissioner (DC), Inspector, Deputy Inspector (DI), Superintendent, Deputy Superintendent (DS), Assistant chief (AC) and Agent. The order of seniority is same as given above i.e. Commissioner is the senior most and Agent is the junior most person.

More than four persons are junior to W, who is immediately senior to Y. The number of persons senior to W is the same as the number of persons junior to X. V is in the immediately higher level to X. There is one person between U and V, where U is senior to V. The number of persons between U and Y is the same as between T and W. Z is junior to S, who is not senior to T