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: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
 Question: Jeff cooled the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Choices: A)it increases 
B)it decreases
Example Output: it increases

Example Input: Paragraph: The bigger the waves are and the more sediment they carry, the more erosion they cause.
 Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is twice as big as the first river she is studying, then Karly would expect to see _____ erosion caused by the 2nd river. 
 Choices: A)more 
B)less
Example Output: more

Example Input: Paragraph: If we have two materials with the same volume, the material with a higher mass will be more dense.
 Question: Jake pours syrup into one cup, then pours water into another, both in equal amounts. Jack can know that the syrup is the less dense of the fluids because it has 
 Choices: A)more mass 
B)less mass
Example Output:
less mass