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: Astronauts exploring the galaxy first land on a red planet and later land on a green planet. The red planet is larger in mass than the green planet. Question: On which of these planets will the astronauts feel a lower gravitational force? (A) the red planet (B) the green planet
[EX A]: B

[EX Q]: Sentence: Pluto has a smaller mass then Venus. Question: Which planet emits less gravity? (A) Venus (B) Pluto
[EX A]: B

[EX Q]: Sentence: A baby experiences less friction crawling in his playpen then crawling in the living room. Question: Which surface will force the baby to crawl at a lower rate of speed? (A) playpen (B) living room
[EX A]:
B