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).
One example is below.
Q: Paragraph: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
 Question: John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is 
 Choices: A)scarce 
B)plentiful
A: scarce
Rationale: Based on the information given in the paragraph, population growth will make water more scarce, so that is the correct answer.
Q: Paragraph: Older rocks are at the bottom and younger rocks are at the top.
 Question: Rick had a rock (Rock A) from 1000 feet beneath the crust's surface. He later dug 3000 feet deeper and got a second rock (Rock B). Which rock is likely younger? 
 Choices: A)Rock A 
B)Rock B
A:
Rock A