Four friends, A, B, C, and D, have different pets: a dog, a cat, a bird, and a fish. A does not have a dog. B has a cat. C does not have a fish. Who has the dog?
In a family of six members: P, Q, R, S, T, and U, there are two males and four females. P is a teacher, Q is a doctor, R is a male, and S is U's sister. Who is the doctor?
A, B, C, D, and E are five people who like different fruits: apple, banana, cherry, date, and elderberry. A does not like banana. B likes cherry. C likes elderberry. Who likes apple?
In a group of five friends: M, N, O, P, and Q, each has a different favorite color: red, blue, green, yellow, and black. M's favorite is not blue or green. N likes yellow. O does not like red. What is P's favorite color?