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: An object with greater mass or greater velocity has more kinetic energy.
 Question: Which object likely contains less energy? 
 Choices: A)a pinhead 
B)the sun

Ex Output:
a pinhead


Ex Input:
Paragraph: As the distance between the objects increases the magnetic force of attraction decreases.
 Question: Lisa is hitting a tennis ball against the wall. As the tennis ball bounces towards the wall and away from her, the magnetic force of attraction between the wall and the ball 
 Choices: A)increases 
B)decreases.

Ex Output:
increases


Ex Input:
Paragraph: For a given medium, sound waves travel more slowly at lower temperatures.
 Question: When it is very cold what happens to the speed of items? 
 Choices: A)speed up 
B)slow down

Ex Output:
slow down