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: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Would a diesel powered submarine release less pollution if it were running on 
 Choices: A)its diesel engine 
B)its battery backup power?
answer:
its battery backup power?


question:
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
answer:
hybrid


question:
Paragraph: As the amount of water increases, the melting point of rock decreases.
 Question: Theresa decreased the amount of water in her pool. Rock would likely melt 
 Choices: A)faster 
B)slower
answer:
slower