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 statements is true?
In a class of students, John is smarter than Mike but not as smart as Sarah. Tom is smarter than Sarah but not as smart as Lisa. Who is the smartest student in the class?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice is a teacher, Bob is a doctor, Charlie is a lawyer, David is a teacher, and Eva is a doctor. Which of the following statements is true?