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: The gravitational force between two objects decreases as the objects move further apart.
 Question: Would an astronaut feel a lesser gravitational pull from the Earth when he is standing 
 Choices: A)on the floor of his house 
B)on the surface of Mars?
answer:
on the surface of Mars?


question:
Paragraph: If the gas is heated, the particles will move faster as they gain more energy.
 Question: Bob heats up some gas at the plant. When he does this, the gas particles move faster and 
 Choices: A)gain energy 
B)lose energy.
answer:
gain energy


question:
Paragraph: The higher the pH value is, the stronger the base.
 Question: If we find something with a low pH value that is likely to be 
 Choices: A)acidic 
B)basic
answer:

acidic