instruction:
You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.
question:
Paragraph- Sent 1: Mechanical energy is a combination of the energy of motion or position.
Sent 2: This type of energy describes objects that are moving or could move.
Sent 3: A moving ball can have energy from motion.
Sent 4: An arrow can also have the energy of motion.
Sent 5: Both are types of mechanical energy.
Sent 6: Can you think of some other examples?
Sent 7: Where does the energy of motion come from?
Sent 8: It comes from the energy created by position.
Sent 9: This energy is stored energy.
Sent 10: This means it is not moving yet, but it has the potential to move.
Sent 11: How can you store energy?
Sent 12: The arrow gains energy from the drawn bow.
Sent 13: As the arrow is released, the bow releases its stored energy and puts the arrow into motion.
Sent 14: Can you think of some other ways to store energy using position?.
Question: What does stored energy mean? (A) It is mechanical (B) That this energy is excessive (C) That object could move (D) It has the potential to move (E) Energy created by position (F) It is waiting (G) Energy that is created by position and has potential (H) Energy created by motion (I) It is not released yet.
answer:
C, D, E, G, I.

question:
Paragraph- Sent 1: Tim had always a red bike.
Sent 2: His birthday party was coming up and he hoped that his parents would finally get him the bike.
Sent 3: When his friends came over for the party, Tim was very worried that he wouldn't get the bike.
Sent 4: He looked at all the presents and none of them seemed big enough to have a bike in them.
Sent 5: Tim was sad.
Sent 6: When it was time to open the presents he opened them one at a time.
Sent 7: The first present was not a bike.
Sent 8: The second present was not a bike.
Sent 9: The third present was the biggest one.
Sent 10: Tim knew if the bike was going to be in any of the presents it was going to be in this box.
Sent 11: Tim opened it and there was no bike inside.
Sent 12: Just as Tim tried not to look too upset, his Dad brought in the biggest present of them all.
Sent 13: His Dad had been hiding the present all along.
Sent 14: Tim opened it and his new bike was inside the box.
Sent 15: Tim put the bike together with his Dad's help.
Question: Who is mentioned as being at the birthday party? (A) Neighbors (B) A clown, friends (C) Both Parents (D) Tim, his dad (E) Friends (F) Teachers (G) Tim, his friends and his Dad.
answer:
D, E, G.

question:
Paragraph- Sent 1: Above were just a few things that caused habitat loss or change.
Sent 2: There are many ways in which living organisms can affect their ecosystem.
Sent 3: In some areas, it is because of fire management.
Sent 4: Fire is a natural event, so managing fire correctly is very important.
Sent 5: In other areas, fisherman have taken too many fish from one area.
Sent 6: This places the species at risk of extinction.
Sent 7: It also affects other living things that may rely on these fish for food.
Sent 8: The image below shows a picture of a mine.
Sent 9: Mining changes the Earths surface.
Sent 10: This area may once have been a forest or a prairie.
Sent 11: Think about how many plants and animals may once have lived here.
Sent 12: Now it is a giant hole in the ground.
Sent 13: Pollution is also a major factor in habitat loss and change.
Question: How does mining change the earths surface? (A) Removes or changes forests and prairies, leaves giant holes in the ground (B) Lose of Water (C) It causes a giant hole (D) It changes the composition of the surface (E) Plants and animals eat the extra food (F) Forest goes under the water.
answer:
A, C.