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?

A. ALICE AND DAVID ARE BOTH TEACHERS.

In a family, M is the mother of N. O is the father of N. P is the brother of N. Q is the sister of N. How is O related to P?

A. FATHER

Three pets, a dog, a cat, and a rabbit, have different colors: brown, white, and black. The dog is not black. The cat is white. What color is the rabbit?

A. BROWN

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice and Bob cannot be selected together. 2) Charlie must be selected if David is selected. 3) Eva can only be selected if Bob is not selected. Which of the following groups can be selected?

D. CHARLIE, DAVID, EVA

A is married to B. They have two children, C and D. C is a doctor, and D is a lawyer. If B is a teacher, what is A's profession if it is known that one parent is not in a profession related to education or law?

C. ENGINEER