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: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
 Question: If you tried to push a sack of feathers or a sack of hammers, both of the same volume, would it be easier to push the 
 Choices: A)sack of feathers 
B)sack of hammers?
Example Output: sack of feathers

Example Input: Paragraph: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
 Question: Would Jim's solution become more or less acidic if he decreased the concentration of hydrogen atoms in it? 
 Choices: A)more acidic 
B)less acidic
Example Output: less acidic

Example Input: Paragraph: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
 Question: A particle that is in the desert is likely _____ compared to one in the arctic. 
 Choices: A)faster 
B)slower
Example Output:
faster