Five books are arranged on a shelf: P, Q, R, S, and T. Q is to the left of R but to the right of S. T is at one end. Which book is second from the left?
Four friends - Alex, Brian, Charlie, and David - have different favorite colors: Red, Blue, Green, and Yellow. Alex does not like Blue or Green. Brian's favorite color is not Red. Charlie likes Green. What is David's favorite color?
Four friends, A, B, C, and D, have different pets: a dog, a cat, a bird, and a fish. A does not have a cat. B has a bird. C is allergic to cats. Who has the fish?
In a class of five students, P, Q, R, S, and T, P is taller than Q but shorter than R. S is shorter than T but taller than Q. Who is the tallest among them?