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.

Input: Consider Input: Paragraph- Sent 1: Dr. Benjamin Stone is a hotshot young surgeon who longs to leave the drudgery of a Washington , D.C. emergency room and finally leaps at his chance at more money and less death as a plastic surgeon in Beverly Hills .
Sent 2: On his last day , Ben's relationship with his co-workers is presumed to be anything but a warm one .
Sent 3: None of his colleagues will join him for a drink and a cake in his honor has an iced portion of the phrase '' Good riddance , asshole '' sliced out .
Sent 4: Ben's cross-country drive in a 1956 Porsche 356 Speedster is interrupted when he crashes in the rural hamlet of Grady , South Carolina .
Sent 5: The crash damages the fence of local Judge Evans , who sentences him to community service at a nearby hospital .
Sent 6: Ben offers to pay for the fence , but the stern judge increases his community service each time he talks back .
Sent 7: Defeated , he reports to the hospital , where Nurse Packer humbles him by ordering him to clock in and out , as would a factory worker .
Sent 8: Though upset , Ben quickly makes friends with Mayor Nick Nicholson , the town cafe's proprietor/head waitress , and Melvin , the local mechanic tasked with repairing Ben's car .
Sent 9: Ben soon finds his clinic work to be much more laid-back than the emergency room .
Sent 10: He has simple cases such as spots before the eyes , fishing hook impalings , and even reading mail for a young illiterate couple , whose baby he later delivers .
Sent 11: The experience also humbles Ben when he mistreats a case of mitral valve regurgitation leading to late cyanosis in the child .
Question: Was Ben involved in a crash? (A) No (B) Yes he was in a train crash (C) Yes (D) Yes a car crash.

Output: C, D.

Input: Consider Input: Paragraph- Sent 1: What if you could drain all of Earths oceans?
Sent 2: What would it look like?
Sent 3: You might be really surprised.
Sent 4: You see that the surface has two main features.
Sent 5: It has continents and ocean basins.
Sent 6: Continents are large land areas.
Sent 7: These are the areas that are mostly above sea level.
Sent 8: Ocean basins extend from the edges of continents.
Sent 9: They include the ocean floor and Earths deep ocean trenches.
Sent 10: You will also notice the ocean floor is not flat.
Sent 11: It too has many Continents are much older than ocean basins.
Sent 12: Some rocks on the continents are billions of years old.
Sent 13: Ocean basins may only be millions of years old.
Sent 14: Because the continents are so old, a lot has happened to them!
Sent 15: As we view the land around us, we see landforms.
Sent 16: Landforms are physical features on Earths surface.
Sent 17: These features change over time, but how?
Sent 18: There are actually two types of forces at work.
Question: Which are older: continents or ocean basins? (A) Surface (B) Ocean basins (C) Continents.

Output: C.

Input: Consider Input: Paragraph- Sent 1: Juzo Murasaki arrives at a work construction area to take on his new job as a construction worker .
Sent 2: To his quiet dismay , his supervising boss turns out to be Toru Akai , who with his gang had made Juzo's middle school life a living hell .
Sent 3: Akai , however , does n't recognize Juzo .
Sent 4: Juzo's more disconcerted when he discovers that Akai lives with his wife , Nozomi Akai and their toddler son above Juzo's new apartment .
Sent 5: As Juzo emotionally struggles to handle these unexpected developments , a mysterious and seemingly malicious hooded figure appears .
Sent 6: It calls itself Number 13 .
Sent 7: As Juzo attempts to control increasing number of flashbacks and a spiral fall into psychological darkness , Akai constantly picks on Juzo and other work colleagues including Seki Hajime , a former middle school student who becomes Juzo's casual friend in spite of Juzo's anti-social tendencies , at work .
Sent 8: Meanwhile Akai's wife , Nozomi , attempts to make friends with Juzo and entrusting the care of her toddler son to Juzo .
Sent 9: She proudly shows Juzo her husband's school photos .
Sent 10: In one class photo , Juzo's space is marked with an X to show he was absent .
Sent 11: Juzo suffers a severe flashback to explain his absence that day : in their school's science room , Akai and his friends have thrown acid at Juzo's face .
Sent 12: Seki becomes suspicious about Juzo's increasingly odd behavior and goes to inform Arai at the work site , but Arai dismisses him without giving him a chance to speak .
Sent 13: During this incident , Seki does n't realize he's being watched by Number 13 , but as soon as he does , Number 13 kills him .
Question: What is Juzo's new job and will his supervisor be a school mate? (A) Construction worker; Yes a schoolmate (B) Juzo's new job is being a construction worker and Toru Akai his supervising boss made his middle school life a living hell (C) Construction; Yes a former school mate (D) Doctor; no, not a school mate (E) No, and he is a firefighter (F) Aconstruction worker and yes (G) Painter; Not a school mate.
Output: A, B, C, F.