You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Input: Consider Input: Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Would a diesel powered submarine release less pollution if it were running on 
 Choices: A)its diesel engine 
B)its battery backup power?

Output: its battery backup power?


Input: Consider Input: Paragraph: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
 Question: Rocks that are buried very shallow are _____ than rocks on the surface. 
 Choices: A)newer 
B)older

Output: newer


Input: Consider Input: Paragraph: Increasing air temperature decreases atmospheric pressure.
 Question: The air gets thinner when it is 
 Choices: A)hot 
B)cold


Output: hot