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).

Ex Input:
Paragraph: At higher elevations, there is less air to press on a given area.
 Question: When we get to the bottom of a mountain the air is 
 Choices: A)more dense 
B)less dense

Ex Output:
more dense


Ex Input:
Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Ian wants to produce less pollutants, so he buys a car that is a plug-in hybrid. The car will run on electricity better if it's plugged in for a 
 Choices: A)longer time 
B)shorter time

Ex Output:
longer time


Ex Input:
Paragraph: For a given medium, sound has a slower speed at lower temperatures.
 Question: Greta yells across the canyon in the cool morning and again in the hot afternoon. The sound likely traveled _____ in the morning. 
 Choices: A)faster 
B)not as fast

Ex Output:
faster