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 Q]: Paragraph: The hotter a main sequence star is, the brighter it is.
 Question: Compared to the Sun, which is an average star, would CFBDSIR 1458, the coldest star, be 
 Choices: A)brighter than the Sun 
B)dimmer than the Sun?
[EX A]: dimmer than the Sun?

[EX Q]: Paragraph: For a given medium such as air, sound has a slower speed at lower temperatures.
 Question: Mike wants his voice to travel faster, so he will speak in a room that is 
 Choices: A)colder 
B)warmer
[EX A]: warmer

[EX Q]: Paragraph: The elastic force increases the more the material is stretched or compressed.
 Question: If a product is unstretched, elastic force will 
 Choices: A)increase 
B)decrease
[EX A]:
decrease