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: For a given medium such as air, sound has a slower speed at lower temperatures.
 Question: If Mary is blowing an air horn underwater and she lowers the temperature of the water, what will happen to the speed of the sound waves generated by the air horn? 
 Choices: A)increase 
B)decrease
answer:
decrease


question:
Paragraph: New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer.
 Question: A village is gathering food for the winter. The more food they gather the likelihood of survival being high is 
 Choices: A)great 
B)small
answer:
great


question:
Paragraph: As blood glucose levels decrease, less insulin is produced.
 Question: Dana has no diabetes, and her insulin is high, so her blood glucose levels have 
 Choices: A)increased 
B)decreased
answer:

increased