Task: Question Answering
Input (English): Question: In a room filled with 7 people, 3 people have exactly 1 sibling in the room and 4 people have exactly 2 siblings in the room. If two individuals are selected from the room at random, what is the probability that those two individuals are NOT siblings?

 Option A: 5/21

 Option B: 3/7

 Option C: 4/7

 Option D: 5/7

 Option E: 13/21
Output (English): Option E