instruction:
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).
question:
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
answer:
a lot


question:
Paragraph: More recently, the death rate has fallen because of the availability of more food and medical advances.
 Question: When people learned how to farm the population 
 Choices: A)decreased 
B)increased
answer:
increased


question:
Paragraph: Objects with greater mass have a stronger force of gravity between them.
 Question: A planet that is smaller has 
 Choices: A)less gravity 
B)more gravity
answer:

less gravity