Five colors are arranged: Red, Blue, Green, Yellow, and Orange. Red is not next to Blue. Green is next to Yellow but not next to Red. Which color is next to Orange?
In a family, there are four members: a mother, a father, a son, and a daughter. If the mother is a doctor and the father is an engineer, what is the profession of the son if he is studying to become a doctor?
Five friends P, Q, R, S, and T are sitting in a row. P is to the left of Q but to the right of R. S is to the right of T. Who is sitting in the middle?
In a group of five friends: A, B, C, D, and E, A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?