In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

They are a mysterious relative of the Neanderthals who are thought to have roamed the plains of Siberia and east Asia long before modern humans arrived on the continent. But little is known about the Denisovans, a sister species of the Neanderthals who first emerged around 200,000 years ago, as so few of their fossilised remains have been discovered. Now researchers have unpicked a tiny piece of the puzzle about how this enigmatic human species lived - they regularly inhabited the same caves. Using pioneering DNA analysis of teeth and a fragment of pinky finger bone found at the Denisova cave in Altai Krai, in the Altai Mountains near Barnaul, Russia, the researchers have discovered they belonged to three individuals who lived there tens of thousands of years apart.Geneticists studied DNA from teeth and a pinky bone from a Siberian caveThey were found to belong to individuals living thousands of years apartIt has provided clues about how this mysterious human species livedThe Denisovans are thought to be a sister species of the Neanderthal
'Moreover, we find that nuclear diversity among the four _ is higher than among seven Neanderthals for which nuclear DNA have previously been recovered.

(CNN) -- Make no mistake. A handshake is just a handshake. Fifty-year-old geopolitical conflicts don't turn on a dime. American foreign policy isn't an Etch A Sketch where you get to wipe the board clean in every news cycle. Between countries, as with people, grudges and hard feelings don't fade easily. These things are true no matter how eager some in the media are to give President Barack Obama's sagging job approval rating -- just 41% in a recent Gallup Poll -- a boost by likening him to Nelson Mandela. Seriously? There is far-fetched, and there is farcical. Comparing Obama to Mandela falls into the latter category.Ruben Navarrette: Make no mistake, a handshake is just a handshakeNavarrette: President Obama's handshake with Raul Castro is no big dealHe says it does not mean that U.S.-Cuba relations will change for the betterNavarrette: Let's keep in mind the atrocious human rights record of Cuba
Next, I'm not even sure that _ knows how to bring people together.

A British couple have been killed in Qatar after a dune buggy they were travelling in overturned. Eamonn Morgan, 24, and his girlfriend Charlotte Sant were visiting some sand dunes in the Middle Eastern country when they crashed on Saturday. Two other friends, who were thought to be visiting the couple from the UK, were in the vehicle but escaped with injuries. It is believed Mr Morgan, from Newry in Norther Ireland had been living in Doha, Qatar, for the last year with Miss Sant, from Manchester. The pair were both working as PE teachers. Mr Morgan, a graduate from John Moores University in Liverpool, was a keen Gaelic football player and had continued the sport even after leaving Ireland.Eamonn Morgan, 24, was killed along with his girlfriend, Charlotte SantDied when their dune buggy flipped over in the Middle Eastern countryTwo friends, who were visiting, were in the vehicle but escaped unharmed

'I also had the pleasure of training _ for the past year, a sweet girl, who took to a new sport with more enthusiasm than you could ever ask for!.