You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
One example: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Solution is here: Jacob
Explanation: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.

Now, solve this: Sentence: A black hole is smaller in size than the sun. Question: Which will have the strongest gravity? (A) Sun (B) Black hole
Solution:
Black hole