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).

[Q]: Paragraph: To reduce friction, oil is added to the engine.
 Question: Jeff should add _____ to his engine to decrease the friction in its processes. 
 Choices: A)oil 
B)gas
[A]: gas


[Q]: Paragraph: Longer wires have more resistance than shorter wires.
 Question: If a wire were to be doubled in length, it would have _____ resistance than the original length wire. 
 Choices: A)more 
B)less
[A]: more


[Q]: Paragraph: The more cylinders a car engine has, the more powerful its engine can be.
 Question: Does a car with a 4 cylinder engine have more power or less power than an 8 cylinder engine. 
 Choices: A)More 
B)Less
[A]:
Less