user: TASK DEFINITION: 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.
PROBLEM: Lagos, Nigeria (CNN) Facebook founder Mark Zuckerberg's visit to Nigeria, his first to sub-Saharan Africa, has put the country's tech businesses firmly in the world's spotlight. Zuckerberg staged a surprise visit to the country's economic capital Lagos on Tuesday and his first stop was a local innovation center and tech hub in Yaba, an area on the mainland of Lagos known as Nigeria's Silicon Valley. There was no fanfare amid tight security and some of those working at the Co-Creation Hub, called CcHUB, didn't even know Zuckberg was coming. He appeared nervous, a little startled even, as he launched into an impromptu speech about why he was there.Zuckerberg causes a stir with surprise visit to Nigeria on TuesdayEntrepreneurs say it will give country's startup industry a boost 
 Questions:I'll be meeting with developers and entrepreneurs, and learning about the startup ecosystem in _. (A) Lagos (B) Nigeria (C) CNN (D) Facebook (E) Mark Zuckerberg (F) Saharan Africa (G) Zuckerberg (H) Yaba (I) Silicon Valley (J) Co (K) Creation Hub (L) CcHUB (M) Zuckberg (N) Entrepreneurs

SOLUTION: (B)

PROBLEM: Washington (CNN) Nine high-profile Russians, including several high-profile diplomats, have died over the nine months since the US presidential election on November 8. Among the recent deaths were six Russian diplomats. Some of the deaths appeared natural and governments have ruled out foul play. In some cases, though, questions remain. That's either because the facts have changed over time, details are hard to come by, or the deaths are still under investigation. Self-proclaimed online sleuths and conspiracy theorists have filled the information void with speculation that the deaths were somehow related to Russia's interference in the 2016 presidential election. No evidence has surfaced to make such a connection.Nine Russians -- all in key positions -- have wound up dead in recent monthsAt least one appears to be an assassination 
 Questions:_ news outlets reported that he was 61 years old. (A) Washington (B) CNN (C) Russians (D) US (E) Self

SOLUTION: (C)

PROBLEM: A family who lost both of their dogs at the same time have been reunited with the hounds thanks to the help of two Good Samaritans. Dennis Elton drove into a remote forest near Mt St Helens in Washington State on October 26 with his dogs Woody, a Brittany spaniel, and Brock, a chocolate lab. But the two dogs quickly caught scent of something and bolted from their owner's side, and didn't heed any of Elton's calls to return to the truck. After hours of searching for the two dogs, Elton eventually had to give up and head home, leaving his beloved family dogs in the woods.Dennis Elton drove into the forest near Washington state's Mt St Helens on October 26 with his dogs Brock and WoodyThe dogs caught a scent after arriving and bolted from EltonElton tried to call the dogs back but eventually had to return home without the beloved family petsNearly a week later, two separate hikers found the dogs about 25 miles away from where they first went missingAfter posting pictures of the dogs on social media, they were quickly reunited with the Eltons 
 Questions:Another hiker had found _ in the same area and had him at his home in Camas, Washington. (A) Good Samaritans (B) Dennis Elton (C) Mt St Helens (D) Washington State (E) Woody (F) Brittany (G) Brock (H) Elton (I) Washington

SOLUTION:

assistant: (G)