In a group of friends: X, Y, Z, and W, each has a different favorite color: Red, Blue, Green, and Yellow. X does not like Red or Blue. Y likes Green. Z does not like Yellow. What color does W like?
There are four houses in a row: House 1, House 2, House 3, and House 4. The colors of the houses are Red, Blue, Green, and Yellow. House 1 is not Blue. House 2 is Green. House 3 is not Red. What color is House 4?
In a family of six members A, B, C, D, E, and F, there are two married couples. A is a teacher and is married to B. C is a doctor and is married to D. E is the son of A. Who is the daughter of C?
Five people P, Q, R, S, and T are sitting in a line. P is to the left of Q but to the right of R. S is to the right of T. Who is sitting at the extreme left?