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: If the gas is cooled, the particles will move more slowly, because they will have less energy.
 Question: When we get cold we become 
 Choices: A)faster 
B)slower

Output: slower


Input: Consider Input: Paragraph: Water becomes more dense when it is colder and when it has more salt.
 Question: What happens to water when it absorbs less salt? 
 Choices: A)lower density 
B)Higher Density

Output: lower density


Input: Consider Input: Paragraph: Solar power is expensive, but as demand increases technology improves and costs decrease.
 Question: In the past, solar power was _____ than it is today. 
 Choices: A)more expensive 
B)less expensive
Output: more expensive