Instructions: 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: Paragraph: As the liquid particles lose energy, their movement slows down even more. As their movements become slower and slower, the attractive forces between become stronger.
 Question: If Mona is pushing a sled and she begins to get tired, her energy levels fall. What happens to the movement of the sled? 
 Choices: A)increase 
B)decrease
Output:
decrease