Question: A, B, C, D, and E are five friends. A is a lawyer, B is a doctor, C is a teacher, D is an engineer, and E is a pilot. If A and B are married and C is D\'s sibling, who is E\'s profession?
Options:
Correct Answer: Pilot
Solution:
E is a pilot as the professions of A, B, C, and D are already assigned.