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.
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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: What was Tims party for and who gave him the biggest present? (A) Santa (B) It is Tims birthday and his dad had the biggest present (C) His party was for graduation his grandma gave him biggest present (D) Dad (E) Christmas (F) Birthday (G) His party was for his birthday his dad gave him the biggest present.

Answer: B, D, F, G.

Question: Paragraph- Sent 1: The inhabited history of the Las Vegas Valley stretches to 23,000 b.c.
Sent 2: , when much of the area was covered by a prehistoric lake.
Sent 3: During this period, the indigenous people lived in caves, hunting the mammals that gathered at the shoreline.
Sent 4: The landscape of the valley changed dramatically over the next 200 centuries.
Sent 5: The glaciers feeding the lake melted away and the lake evaporated.
Sent 6: Fossils tell an obscure story of man's slow and sporadic development.
Sent 7: Around 3000 b.c.
Sent 8: , native Archaic Indians began to develop a lasting hunting and gathering culture.
Sent 9: By this time, the valley was in much the same geographic state as it exists in today, with one exceptionthe presence of artesian springs that bubbled to the surface in several areas.
Sent 10: These springs fed a network of streams draining through the Las Vegas Wash to the Colorado River.
Sent 11: The areas surrounding the springs were desert oases: sprawling collections of grasses, trees, and wildlife.
Sent 12: Many springs lay in areas that would eventually become the center of the modern Las Vegas metropolis.
Sent 13: For about 4000 years, the Archaics thrived in a culture that included many signs of early civilization.
Sent 14: Signs of even more advancement appeared halfway through the first millennium a.d.
Sent 15: , when the Anasazi Indians inhabited the valley.
Sent 16: Far more progressive than the Archaics, the Anasazi utilized such formal agricultural techniques as irrigation to assist their harvest.
Sent 17: This permitted the Anasazi to achieve a benchmark of advanced societythe ability to live in permanent shelters year-round without need to follow wildlife.
Sent 18: Mysteriously, the Anasazi vanished from the valley around a.d.
Question: Approximately what year was the Las Vegas Valley covered by a prehistoric lake? (A) 23,000 b.c (B) 1500 b.c (C) Around 3000 b.c (D) 2000 b.c.

Answer: A.

Question: Paragraph- Sent 1: Once upon a time there was a princess who lived in a high tower and she was not allowed to leave because of her mean mother.
Sent 2: One day she chose to leave but her mother would not let her.
Sent 3: The princess climbed out the window of the high tower and climbed down the south wall when her mother was sleeping.
Sent 4: She wandered out a good ways.
Sent 5: Finally she went into the forest where there are no electric poles but where there are some caves.
Sent 6: There she met a young man who was running.
Sent 7: His name was John.
Sent 8: John asked the princess why such a beautiful woman like her was out in the middle of a forest.
Sent 9: She said that she had been trapped for her whole life by an evil woman who said she was her mother.
Sent 10: The man said that he would take the princess to a castle that was near.
Sent 11: He also said that he thought that she may be the missing princess.
Sent 12: As they go through the forest they run into many problems.
Sent 13: They see that they are lost and have no way of finding where to go.
Sent 14: After several days pass, the princess climbs up to the top of a tree in order to find out where they are.
Sent 15: She sees that the castle where they want to go is not that far away and near a mountain.
Sent 16: After thinking of the best way to get there, John and the princess go to the castle where they live for the rest of their lives.
Question: Who was the man the princess met? (A) The king (B) The hunter (C) John.

Answer:
C.