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 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?
In a family of five members: P, Q, R, S, and T, there are two teachers, one doctor, one engineer, and one artist. P is not a teacher. Q is the doctor. R is not the artist. Who is the engineer?
There are four animals: a dog, a cat, a rabbit, and a parrot. The dog is not a mammal, the cat is a mammal, the rabbit is a mammal, and the parrot is a bird. Which of the following is true?