In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.

Example Input: The Dawn spacecraft has captured amazing new images of the mystery bright spots on the dwarf planet Ceres, which continue to baffle scientists. In particular, the images show the brightest spot and its companion standing out against the darker surroundings. But experts are still at a loss to explain the composition and source of the bright spots. Scroll down for video Nasa scientists in California have revealed new images of the dwarf planet Ceres. They reveal new views of the two brightest spots in a crater (shown). However, scientists are still not able to explain what they are. Dawn will begin its first science orbit around Ceres on 23 AprilNasa scientists in California reveal new images of dwarf planet CeresThey show new views of the two brightest spots in a craterHowever, scientists are still not able to explain what they areDawn will begin its first science orbit around Ceres on 23 April 
 Questions:‘The approach imaging campaign has completed successfully by giving us a preliminary, tantalising view of the world _ is about to start exploring in detail. (A) Dawn (B) Ceres (C) Nasa (D) California
Example Output: (A)

Example Input: (CNN) Philippines President Rodrigo Duterte has cut short an official visit to Moscow after deadly clashes erupted between Filipino government troops and Islamist militants Tuesday in the southern city of Marawi. ISIS' media wing, Amaq Agency, put out a statement announcing that "fighters of the Islamic State launch a wide-scale offensive on positions of Philippine troops in the city of Marawi." Speaking from Moscow, Philippines Foreign Secretary Alan Peter Cayetano said that the violence in Mindanao, one of the Philippines' southernmost islands, was Duterte's priority, despite the high-profile visit to Moscow and St. Petersburg. "(The Russians) understand that the security of the Filipino people, especially in Marawi and in Mindanao, is a priority," Cayetano said.Philippines troops clash with militants in southern cityPresident Rodrigo Duterte cuts short Russia visit to address the crisis 
 Questions:"Our operation is still ongoing in _ and sporadic fighting is still continuing," a statement from the Armed Forces of the Philippines said. (A) Philippines (B) Rodrigo Duterte (C) Moscow (D) Filipino (E) Islamist (F) Marawi (G) ISIS (H) Amaq Agency (I) Islamic State (J) Philippine (K) Alan Peter Cayetano (L) Mindanao (M) Duterte (N) St. Petersburg (O) Russians (P) Cayetano (Q) Russia
Example Output: (F)

Example Input: In the exceedingly tight contest to become Iowa's next senator, Saturday's closely watched debate between Bruce Braley and Joni Ernst had the candidates trying to make each other blue by talking green. When it comes to energy, Ernst, a Republican state senator, and Braley, a Democratic congressman, both have controversial positions to defend to voters. Ernst elaborated on her position to shutter the Environmental Protection Agency, a move that critics say will make Iowa more polluted. Braley, meanwhile, explained his flip-flopping on the Keystone Pipeline that has left some Iowans skeptical about his commitment to create jobs. The debate made it clear: Environmental regulation is the issue where the 2014 hopefuls really differ.Republican Joni Ernst defends her position to eliminate the EPA for overreachBruce Braley defends his decision to reverse his support for the Keystone PipelineBoth candidates accused each other of having ties to dark money 
 Questions:The pipeline, which has yet to receive federal approval, would not run through Iowa, although the Republican Patty of _ strongly supports the measure as a part of their platform. (A) Iowa (B) Bruce Braley (C) Joni Ernst (D) Ernst (E) Republican (F) Braley (G) Democratic (H) Environmental Protection Agency (I) Keystone Pipeline (J) Iowans (K) EPA
Example Output:
(A)

