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?
In a class, there are three types of students: those who play football, those who play basketball, and those who play both. If 10 students play football, 8 play basketball, and 3 play both, how many students play only football?
A, B, C, D, and E are five friends. A is a doctor, B is an engineer, C is a teacher, D is a lawyer, and E is a nurse. Which of the following pairs consists of professionals from the same field?
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?