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.

[EX Q]: The Avengers have battled to save Earth from an alien invasion, the evil Loki and now, in the latest movie, face off against the killing machine Ultron. They do this, of course, with the help of numerous superpowers - including Iron Man’s suit, super-healing abilities and Captain America’s indestructible shield. But just how scientifically sound are some of these powers, and do any of them hold up to the laws of physics and chemistry as we know them? Scroll down for video The American Chemical Society in Washington explained the science behind the Avengers in a video. It looks at the composition of Iron Man's suit - said to be a gold-titanium alloy in one of the movies - and Captain America's shield. The video also explains the science behind super-healing abilitiesWashington's American Chemical Society video explains the AvengersIt looks at the composition of Iron Man's suit and Captain America's shieldAnd it also explains science behind Black Widow's super-healing abilitiesThe verdict is that some - but not all - of the science is plausible 
 Questions:His original suit, made only of iron, would have weighed around 70kg (150lbs) according to the _ - not very comfortable or easy to move around in. (A) Avengers (B) Earth (C) Loki (D) Ultron (E) Iron Man (F) Captain America (G) American Chemical Society (H) Washington (I) Black Widow
[EX A]: (G)

[EX Q]: (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
[EX A]: (D)

[EX Q]: Washington (CNN) Top Republicans are becoming nervous that they may lose Marco Rubio's Senate seat and their tenuous majority in the chamber -- and now many want the Florida senator to reconsider his decision to leave office. Behind the scenes, a number of senators, donors and leading party officials have privately prodded Rubio to make a late entry into the race to prevent his seat from flipping, several sources told CNN. Rubio is declining -- but the pressure is only bound to intensify ahead of the June 24 filing deadline, with everyone from Donald Trump to freshmen lawmakers lending their voice.On Thursday, Sen. John Cornyn became the highest-ranking GOP official to publicly call for Rubio to run for re-electionRepublicans believe that the candidate favored by the Democratic establishment is flawed and can be beaten 
 Questions:In a Tuesday interview with CNN, _ said that his "really good friend" of 25 years -- Lopez-Cantera -- is likely to win his endorsement. (A) Washington (B) CNN (C) Republicans (D) Marco Rubio (E) Senate (F) Florida (G) Donald Trump (H) John Cornyn (I) GOP (J) Democratic
[EX A]:
(D)