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: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Kevin has a hybrid car and Steve has a large truck. Which car likely pollutes less? 
 Choices: A)hybrid 
B)truck
Example Output: hybrid

Example Input: Paragraph: Pigments in the skin act like a filter that can prevent the skin from making vitamin D. As a result, people with darker skin need more time in the sun than people with lighter skin to make the same amount of vitamin D.
 Question: A person with light skin can absorb how much vitamin D? 
 Choices: A)a lot 
B)a little
Example Output: a lot

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 low as possible, what should she do to the mass of the rocket? 
 Choices: A)increase it 
B)decrease it
Example Output:
increase it