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.

Ex Input:
Paragraph- Sent 1: Flowing water causes sediment to move.
Sent 2: Flowing water can erode both rocks and soil.
Sent 3: You have already learned that materials can dissolve in water.
Sent 4: With enough time, even rocks can be dissolved by water.
Sent 5: This process happens really slowly.
Sent 6: It may take over a million years to dissolve a rock.
Sent 7: It doesnt matter how big the rock is.
Sent 8: With enough time, flowing water can dissolve it.
Sent 9: Moving water also has the ability to move small pieces of rock and soil.
Sent 10: How can water move a rock?
Sent 11: Doesnt it need energy?
Sent 12: Of course, water gets its energy because it is moving.
Sent 13: Moving water has kinetic energy.
Sent 14: Things that have more energy can do more work.
Sent 15: When water stops moving it will have no energy.
Sent 16: It will no longer be able to move the rock and soil.
Sent 17: When this happens the rock and soil will settle to the bottom of the calm water.
Sent 18: Scientists call this process deposition.
Question: Why can water that is moving more do more work than water that is moving less? (A) Water that is moving more has more kinetic energy; things that have more energy can do more work (B) Things that have more energy can do more work (C) Water that moves more has more kinetic energy (D) Water that is moving more has less energy (E) Water that moves more has less kinetic energy.

Ex Output:
A, B, C.

Ex Input:
Paragraph- Sent 1: The movie is a powerful story that deals with feminism and patriarchy in the middle class of India .
Sent 2: It is shot in the present and past tense showing lives of the characters Mahender and Sudha as they lived together as well as separately .
Sent 3: The movie starts with Mahender getting down at the railway station and making his way to the waiting room just as it starts to rain heavily .
Sent 4: A woman , Sudha , is already sitting in the waiting room .
Sent 5: On seeing him , she tries to hide her face from him but later they confront each other .
Sent 6: Mahender has an accomplished business dealing with photography .
Sent 7: He respects his grandfather immensely .
Sent 8: Incidentally , he had been engaged to Sudha for 5 years but always made some excuse to delay their wedding .
Sent 9: However , this time his grandfather has fixed the wedding on the first week of the following month .
Sent 10: He reveals to Sudha that he is having an affair with one of the most radical representations of feminism in a girl called Maya .
Sent 11: He returns to tell Maya , but Maya has disappeared , leaving him some poetry .
Sent 12: Mahender then marries Sudha and is quite happy , but the sudden return of Maya causes tensions in their married life .
Sent 13: Mahender frequently tells Sudha about all the beautifully poignant , loving and authentic things Maya did over the years that they lived together .
Sent 14: Later , Maya tries to commit suicide , and this leads to Mahender spending time with her over a few weeks .
Sent 15: Sudha , not knowing about Maya 's suicide attempt and therefore believing that Mahender is being unfaithful to her , feels that her marriage was a mistake , and questions Mahender about his intentions .
Question: Who set the wedding date with the woman Mahender marries? (A) Maya (B) His grandfather (C) Mahender's grandfather.

Ex Output:
B, C.

Ex Input:
Paragraph- Sent 1: Howland talked but little on their way back to camp.
Sent 2: The scene that he had just witnessed affected him strangely; it stirred once more within him all of his old ambition, all of his old enthusiasm, and yet neither found voice in words.
Sent 3: He was glad when the dinner was over at Thorne's, and with the going of the mail sledge and the senior engineer there came over him a still deeper sense of joy.
Sent 4: Now _he_ was in charge, it was _his_ road from that hour on.
Sent 5: He crushed MacDonald's hand in a grip that meant more than words when they parted.
Sent 6: In his own cabin he threw off his coat and hat, lighted his pipe, and tried to realize just what this all meant for him.
Sent 7: He was in charge--in charge of the greatest railroad building job on earth--_he_, Jack Howland, who less than twenty years ago was a barefooted, half-starved urchin peddling papers in the streets where he was now famous!
Sent 8: And now what was this black thing that had come up to threaten his chances just as he had about won his great fight?
Sent 9: He clenched his hands as he thought again of what had already happened--the cowardly attempt on his life, the warnings, and his blood boiled to fever heat.
Sent 10: That night--after he had seen Meleese--he would know what to do.
Sent 11: But he would not be driven away, as Gregson and Thorne had been driven.
Sent 12: He was determined on that.
Question: How did Jack feel after dinner and why did he feel this way? (A) Jack was glad because he was in charge of the railroad building job (B) Happy because he was made in charge of the railroad (C) Sense of fear, because he was not use to being in charge (D) Jack was sorry to be replacing Thorne (E) Sense of joy, because the road was his from that hour on (F) Jack was unhappy because he lost his job (G) Jack felt enthusiastic about meeting people at dinner.

Ex Output:
A, B, E.