You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.

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

[EX Q]: Sentence: Mary was bent two objects to see which would break first. The wooden board broke right away, while the metal pole didn't break at all. Question: Which object was less flexible? (A) wooden board (B) metal pole
[EX A]: A

[EX Q]: Sentence: Jack and Jill are sliding a cellphone back and forth along the tabletop very easily. Their mother puts a tablecloth over the tabletop and it's not as easy to slide the phone anymore. Question: Which surface has less friction? (A) TABLETOP (B) TABLECLOTH
[EX A]:
A