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).

Example Input: Paragraph: As the Universe expands, galaxies move further and further apart.
 Question: When a city expands the distance across the city 
 Choices: A)decreases 
B)increases
Example Output: increases

Example Input: Paragraph: The gravitational force between two objects decreases as the objects move further apart.
 Question: Would an astronaut feel a lesser gravitational pull from the Earth when he is standing 
 Choices: A)on the floor of his house 
B)on the surface of Mars?
Example Output: on the surface of Mars?

Example Input: Paragraph: Water becomes more dense when it is colder and when it has more salt.
 Question: Given two equal measures of water by volume, which would be heavier 
 Choices: A)ocean water 
B)distilled water?
Example Output:
ocean water