In a family, P is the father of Q, and R is the mother of Q. S is the sister of Q. If R is a nurse and P is an engineer, what is S's relationship to P?
Four friends, A, B, C, and D, have different pets: a dog, a cat, a bird, and a fish. A does not have the dog or the bird. B has a cat. C has a fish. Who has the dog?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is taller than Bob but shorter than Charlie. David is shorter than Eva but taller than Bob. Who is the tallest among them?
Four friends, A, B, C, and D, attended a seminar on different days. A attended before B but after C. D attended on the last day. What is the correct sequence of attendance?