user: 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:  Late on the next Sunday afternoon Gifford had gone for a country walk which he had arranged to bring him round in time for the evening service at the little village church of Wynford standing just outside the park boundary.
Sent 2: His way took him by well-remembered field-paths which, although towards the end of his walk darkness had set in, he had no difficulty in tracing.
Sent 3: The last field he crossed brought him to a by-road joining the highway which ran through Wynford, the junction being about a quarter of a mile from the church.
Sent 4: As he neared the stile which admitted to the road he saw, on the other side of the hedge and showing just above it, the head of a man.
Sent 5: At the sound of his footsteps the man quickly turned, and, as for a moment the fitful moonlight caught his face, Gifford was sure he recognized Gervase Henshaw.
Sent 6: But he took no notice and kept on his way to the stile, which he crossed and gained the road.
Sent 7: As he did so he glanced back.
Sent 8: A horse and trap was waiting there with Henshaw in it.
Sent 9: He was now bending down, probably with the object of concealing his identity, and had moved on a few paces farther down the road. 
Question: Who was trying to conceal his identity? (A) Gervase Henshaw (B) Gervase Henshaw was trying to conceal his identity (C) Wynford.

Ex Output:
A, B.


Ex Input:
Paragraph- Sent 1: Honours and legacy In 1929, Soviet writer Leonid Grossman published a novel The d'Archiac Papers, telling the story of Pushkin's death from the perspective of a French diplomat, being a participant and a witness of the fatal duel.
Sent 2: The book describes him as a liberal and a victim of the Tsarist regime.
Sent 3: In Poland the book was published under the title Death of the Poet.
Sent 4: In 1937, the town of Tsarskoye Selo was renamed Pushkin in his honour.
Sent 5: There are several museums in Russia dedicated to Pushkin, including two in Moscow, one in Saint Petersburg, and a large complex in Mikhaylovskoye.
Sent 6: Pushkin's death was portrayed in the 2006 biographical film Pushkin: The Last Duel.
Sent 7: The film was directed by Natalya Bondarchuk.
Sent 8: Pushkin was portrayed onscreen by Sergei Bezrukov.
Sent 9: The Pushkin Trust was established in 1987 by the Duchess of Abercorn to commemorate the creative legacy and spirit of her ancestor and to release the creativity and imagination of the children of Ireland by providing them with opportunities to communicate their thoughts, feelings and experiences.
Sent 10: A minor planet, 2208 Pushkin, discovered in 1977 by Soviet astronomer Nikolai Stepanovich Chernykh, is named after him.
Sent 11: A crater on Mercury is also named in his honour.
Sent 12: MS Alexandr Pushkin, second ship of the Russian Ivan Franko class (also referred to as "poet" or "writer" class).
Sent 13: Station of Tashkent metro was named in his honour.
Sent 14: The Pushkin Hills and Pushkin Lake were named in his honour in Ben Nevis Township, Cochrane District, in Ontario, Canada.
Sent 15: UN Russian Language Day, established by the United Nations in 2010 and celebrated each year on 6 June, was scheduled to coincide with Pushkin's birthday. 
Question: Who directed the biographical film about Pushkin, "The Last Duel"? (A) Leonid Grossman (B) Natalya Bondarchuk.

Ex Output:
B.


Ex Input:
Paragraph- Sent 1: Honours and legacy In 1929, Soviet writer Leonid Grossman published a novel The d'Archiac Papers, telling the story of Pushkin's death from the perspective of a French diplomat, being a participant and a witness of the fatal duel.
Sent 2: The book describes him as a liberal and a victim of the Tsarist regime.
Sent 3: In Poland the book was published under the title Death of the Poet.
Sent 4: In 1937, the town of Tsarskoye Selo was renamed Pushkin in his honour.
Sent 5: There are several museums in Russia dedicated to Pushkin, including two in Moscow, one in Saint Petersburg, and a large complex in Mikhaylovskoye.
Sent 6: Pushkin's death was portrayed in the 2006 biographical film Pushkin: The Last Duel.
Sent 7: The film was directed by Natalya Bondarchuk.
Sent 8: Pushkin was portrayed onscreen by Sergei Bezrukov.
Sent 9: The Pushkin Trust was established in 1987 by the Duchess of Abercorn to commemorate the creative legacy and spirit of her ancestor and to release the creativity and imagination of the children of Ireland by providing them with opportunities to communicate their thoughts, feelings and experiences.
Sent 10: A minor planet, 2208 Pushkin, discovered in 1977 by Soviet astronomer Nikolai Stepanovich Chernykh, is named after him.
Sent 11: A crater on Mercury is also named in his honour.
Sent 12: MS Alexandr Pushkin, second ship of the Russian Ivan Franko class (also referred to as "poet" or "writer" class).
Sent 13: Station of Tashkent metro was named in his honour.
Sent 14: The Pushkin Hills and Pushkin Lake were named in his honour in Ben Nevis Township, Cochrane District, in Ontario, Canada.
Sent 15: UN Russian Language Day, established by the United Nations in 2010 and celebrated each year on 6 June, was scheduled to coincide with Pushkin's birthday. 
Question: What type of film did Natalya Bondarchuk direct? (A) Biographical (B) Biographical Film (C) Action film.

Ex Output:


assistant: A, B.