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: Objects with greater mass have a stronger force of gravity.
 Question: If Mona is comparing an apple and an orange and she determines that the apple has more mass then the orange, which one has a greater force of gravity? 
 Choices: A)apple 
B)orange
Example Output: apple

Example Input: Paragraph: A sunscreen with a higher SPF value protects the skin longer.
 Question: John was analyzing some of the results from his sunscreen study. He found that a higher SPF protects the skin 
 Choices: A)Shorter 
B)Longer
Example Output: Longer

Example Input: Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: If Mary is building a rocket and she wants it to fly as high as possible, what should she do to the mass of the rocket? 
 Choices: A)increase it 
B)decrease it
Example Output:
decrease it