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.

(CNN) An ISIS massacre on the streets of Moscow? Bombs detonated by the same terror group in St. Petersburg? Such "huge terrorist acts" might have happened if Russian authorities hadn't detained seven alleged ISIS members, state media reported. The FSB -- Russia's security agency and the successor to the Soviet Union's KGB -- told state-run TASS news that the seven suspects were charged Wednesday for plotting terrorist attacks. They'd been detained February 7 in Yekaterinburg, Russia's fourth-largest city situated in the Sverdlovsk region in the Urals, according to a report by state-run Sputnik news citing the FSB. To date, Russia hasn't been hit by ISIS terror attacks on busy, civilian-filled areas like those in Paris, Tunis or Jakarta. But it has been a target, in part for the Kremlin's armed efforts against the Islamist extremist group in Syria.Agency: The suspects were from Russia, central Asian nations and led by someone who'd come from TurkeySearches of the suspects' houses turned up a bomb lab, guns, grenades and "extremist literature," state news saysISIS has threatened attacks in Russia, which is involved in a military campaign against the terror group in Syria 
 Questions:While ISIS itself is relatively new, the threat from Islamist extremists in _ is not. (A) ISIS (B) Moscow (C) St. Petersburg (D) Russian (E) FSB (F) Soviet Union (G) KGB (H) TASS (I) Yekaterinburg (J) Sverdlovsk (K) Urals (L) Sputnik (M) Paris (N) Tunis (O) Jakarta (P) Kremlin (Q) Islamist (R) Syria (S) Asian (T) Turkey
(D)

A driver who was eight months pregnant has died after trying to pass an 18-wheeler, but smashed into an oncoming car, killing a family of three. Kimberly Lausier, 38, of Madawaska was attempting to get past a tractor-trailer on a northern Maine highway on Monday when her SUV smashed head-on into a car driven by Bobbi-Jo Johnston, 33, of Fort Fairfield. Both drivers were killed in the crash at 10:30am. Kimberly Lausier, 38, of Madawaska was attempting to get past a tractor-trailer on a northern Maine highway on Monday when her SUV smashed head-on into a car. Pictured:  Mrs Lausier's 53-year-old husband, Robert, was hospitalized with leg injuries that are not considered life-threateningKimberly Lausier, 38, of Madawaska was attempting to get past a tractor-trailer on a northern Maine highway on MondaySmashed head-on into car of Bobbi-Jo Johnston 33, who diedMs Johnston's daughter, 2, Alana and mother Laurie Ann Johnston, 52, also died alongside her 
 Questions:Two-year-old _ also died in the smash alongside her mother and her grandmother. (A) Kimberly Lausier (B) Madawaska (C) Maine (D) Bobbi-Jo Johnston (E) Fort Fairfield (F) Lausier (G) Robert (H) Johnston (I) Alana (J) Laurie Ann Johnston
(I)

(CNN) -- How were inmates inside a Texas prison allegedly able to make cell phone calls, plot crimes and acquire drugs? With the help of 17 former corrections officers who once worked at the prison, according to a federal grand jury indictment unsealed this week. Now the former officers and 12 others have been arrested and charged with racketeering after a four-year investigation authorities dubbed Operation Prison Cell. The former guards are accused of involvement in a smuggling scheme that undermined the justice system, U.S. Attorney Kenneth Magidson told reporters Wednesday. "Prison is a place where inmates are supposed to do their time," he said, "not where they do their crime."Former prison guards are charged with racketeering for allegedly smuggling cell phonesOfficials say prison inmates used the phones to plot serious crimes, including killingsThe arrests of 17 former corrections officers were part of Operation Prison Cell 
 Questions:In the _, authorities said Wednesday that rampant corruption had festered since 2005. (A) CNN (B) Texas (C) Operation Prison Cell (D) U.S. (E) Kenneth Magidson (F) Prison

(F)