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?
Four friends, A, B, C, and D, have different pets: a dog, a cat, a bird, and a fish. A does not own a dog or a cat. B owns a bird. C does not own a fish. What pet does D own?
Five people are sitting in a row: P, Q, R, S, and T. R is sitting to the left of Q but not next to S. T is sitting at one of the ends. Who is sitting in the middle?
In a circular seating arrangement, A is sitting to the immediate left of B and to the immediate right of C. If D is sitting opposite to A, who is sitting to the immediate left of D?