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: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly 
 Choices: A)higher 
B)lower
answer:
lower


question:
Paragraph: The more charged the objects are, the stronger the electrostatic force between them.
 Question: Megan had two charged metal balls that she was analyzing. If she decreases the charge of the balls, the electrostatic force between them 
 Choices: A)decreases 
B)increases
answer:
decreases


question:
Paragraph: The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.
 Question: Bryan was tasked with categorizing various fossils that the archeology team dug up. He knew they found some in rock layers near the surface and others in layers much farther below the ground. Which should he categorize as the younger ones? 
 Choices: A)near surface fossils 
B)farther down fossils
answer:

near surface fossils