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.

Example Input: Paragraph- Sent 1: { { Plot } } Tom plays pool in a deserted pool hall , pocketing two balls by lowdown means and then wakes Jerry up by shooting the 10-ball into the pocket where he is sleeping .
Sent 2: Jerry awakes just in time to avoid the 10-ball and is carried out to the ball return , where the 10 and the 13 smash the mouse between each other .
Sent 3: Jerry is mad and walks up through the pocket , first sees nothing , but after a few steps back to the pocket , he spots Tom perched behind it .
Sent 4: Jerry tries to jump into another corner pocket , but Tom aims a cue ball with so much force that it roll's into the pocket , and spins back out of it and it rolls Jerry backwards to Tom , who has made a ramp with his cue stick for the mouse to slide up .
Sent 5: Jerry stops at the top of the stick and is then blown down by Tom , who then shoots a stream of balls to make the mouse flat .
Sent 6: The whole train rebounds back towards the cat and the balls stack up at Tom's end of the table .
Sent 7: Tom shoots all the balls in succession with his cue , and then tries to shoot Jerry , but the mouse hangs onto the cue tip .
Sent 8: The cat , as if he were saying '' Have it your way '' , chalks up and shoots the 8-ball using Jerry .
Sent 9: The mouse drops off the cue tip and then is upended by the 8-ball rolling in circles , and Tom forces Jerry to jump through the ball rack as if he were a circus performer .
Sent 10: Tom then sets it on fire to add an additional level of torment , and when Jerry accomplishes this with poise , Tom discards the flaming rack and shoots the 8-ball across the table and back .
Question: Why is Jerry mad? (A) Because he wakes just in time to avoid the 10-ball and is carried out to the ball return , where the 10 and the 13 smash him between each other (B) Because Tom is pocketing two balls (C) Because he ate too much (D) Because he was smashed between the 10 and 13-Balls (E) Because Tom is in the pool (F) Because Tom is shooting balls into the pocket where he is sleeping (G) Because Tom plays pool.
Example Output: A, D, F.

Example Input: Paragraph- Sent 1: (CNN) -- Argentina's star-studded line-up began their World Cup campaign with a 1-0 victory over Nigeria in their Group B opener in Johannesburg on Saturday.
Sent 2: A goal from defender Gabriel Heinze after six minutes was all that separated the two teams after an inspired display from Nigeria goalkeeper Vincent Enyeama.
Sent 3: But South Korea ended the day on top of the group following a 2-0 victory over Greece in Port Elizabeth earlier on Saturday.
Sent 4: Goals from Lee Jung-Soo and Park Ji-Sung gave the 2002 semifinalists a comfortable win over the 2008 European cvhampions.
Sent 5: Argentina 1-0 Nigeria Enyeama could do little to stop Heinze's powerful early header from a Juan Sebastian Veron corner, but he kept his team alive with a string of acrobatic saves to deny World Player of the Year Lionel Messi.
Sent 6: Diego Maradona was delighted to secure his first victory as a World Cup coach, but critical of his strikers for failing to make the game safe.
Sent 7: "When you don't kill things off in front of goal you can pay a heavy price.
Sent 8: They almost got a draw -- we missed loads of chances," Maradona told AFP.
Sent 9: "Players such as Leo Messi and Higuain knocked in around 60 goals last season between them, yet today it was almost as if they couldn't set their sights on goal.
Sent 10: "But the win means we can be calm -- we are in the right track.".
Question: Who were the 2008 European champions? (A) Argentina (B) South Korea (C) Germany (D) Greece.
Example Output: D.

Example Input: Paragraph- Sent 1: A stranger in town meets pretty young Susan Martinez De La Cruz and accompanies her to a barbecue , where wealthy Jason Carberry is saying a few words for the recently departed Robin Randall , a citizen who got shot .
Sent 2: Jason objects to the stranger's presence , being Susan's guardian and protective of her .
Sent 3: He challenges him to a shootout , but the stranger pulls his pistol before Jason's can even clear the holster .
Sent 4: Calaveras Kate , a saloon singer who's in love with Jason , is relieved when the stranger declines to pull the trigger .
Sent 5: Rafael Moreno suddenly rides into town and picks a fight with the stranger .
Sent 6: Their brawl continues until the arrival of Judge Wallace Wintrop and his niece , Sheila , who have come to town from back East and deplore all this random violence out West .
Sent 7: The stranger is recognized as Reb Randall , the dead man's brother .
Sent 8: He is looking for the killer , who could be Rafael , or could be Jason , or could even be Billy Buckett , the coward of the county .
Sent 9: The women hold their breath to see if the men they love will survive .
Question: What relation is Susan Martinez De La Cruz to Jason Carberry? (A) His sister (B) Jason Carberry's ward (C) His friend (D) Stranger (E) Protectee (F) His daughter (G) Like a daughter (H) She is Jason's younger sister (I) Son.
Example Output:
B, E, G, H.