TASK DEFINITION: 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.
PROBLEM: Sentence: Mike is standing closer to a flashlight then to a lamp. Question: Which object seems brighter to him? (A) flashlight (B) lamp

SOLUTION: flashlight

PROBLEM: Sentence: Ron is at the gym lifting weights.  Tony joins him an hour into his workout.  They leave at the same time. Question: Who sweat more? (A) Ron (B) Tony

SOLUTION: Ron

PROBLEM: Sentence: Graviton is twice as massive as Thanos. Question: Which will exert more of a pull on atoms? (A) Graviton (B) Thanos

SOLUTION:
Graviton