P, Q, Z, D, R and S are science students studying various animals to study their complex movement patterns. They live in different cities viz. A, B and C. The animals they are studying are U, V, W, T, Y and X but not necessarily in the same order.
R studies Y and D studies X. The student studying T and V do not stay in city B. S and D stay in city A and R stays in city B. Q stays at C. Two of them stay in city A, two stay in city B and the remaining two stay in city C. Z does not stay in city B and studies W.
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