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).

[EX Q]: Paragraph: The more efficient a device is, the greater the percentage of usable energy it produces.
 Question: A very efficient pair of solar panels will produce 
 Choices: A)little energy 
B)a lot of energy
[EX A]: a lot of energy

[EX Q]: Paragraph: We also saw that adding resistors to a series circuit increases the total resistance of the circuit, causing the current to decrease.
 Question: Mike wants his circuits to be able to have a lower resistance, so that the current increases. In order to do this, he will consider his resistors and 
 Choices: A)increase them 
B)decrease them
[EX A]: decrease them

[EX Q]: Paragraph: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
 Question: Robin has an old computer that runs quickly, and Bryan has a weak new computer. When working on the same task, the computer that will finish the task first is 
 Choices: A)Robin's 
B)Bryan's
[EX A]:
Robin's