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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Ex Input:
A 63-year-old man has been arrested on suspicion of the brutal sex killing of teenager Melanie Road who was stabbed to death 31 years ago. Police confirmed a DNA breakthrough had led to the man, from Bristol, being arrested in connection with the death of the 17-year-old. Melanie was last seen alive in the early hours on June, 9, 1984 following a night out with her friends in Bath, Somerset. The A-level student was found the following day having died from multiple stab wounds to her chest and back. She had been sexually assaulted. Avon and Somerset Police confirmed an arrest in connection with the long-running investigation made yesterday.Man, 63, arrested in connection with the 1984 murder of Melanie Road17-year-old student was sexually assaulted and stabbed to death in BathBody found by a milkman after she failed to return home from a night outPolice confirmed DNA breakthrough had now led to suspect being arrested 
 Question:'We are now cross checking that DNA with that of all the people with links with Melanie or who we know were on _ at the time and may be of interest.

Ex Output:
Bath


Ex Input:
(CNN) -- Opposition to the Keystone XL pipeline, which would move crude oil from the Alberta oil sands in Canada to refineries on the Gulf Coast if approved by President Barack Obama, has long relied on questionable information about our project and the Canadian oil sands. A CNN op-ed by Tom Steyer has made some claims that need to be disputed. He and other opponents insist oil transported by Keystone XL is destined for export. Nothing could be further from the truth. The reality, as TransCanada Corp. CEO Russ Girling has said, is not a drop of the oil transported through Keystone would be exported -- period.Alexander Pourbaix says opponents are wrong on Keystone XL pipelineHe says contrary to what opponents say, "not a drop" of Keystone oil will be exportedPourbaix: State Department study has debunked concerns over environment and marketHe says during transition to new energy sources, U.S. should get its oil from a trusted nation 
 Question:We urge Obama to give a green light to the _.

Ex Output:
Keystone XL pipeline


Ex Input:
A security enthusiast has recreated the TSA master luggage key which can open locks the agency has told millions of Americans to use. Lockpickers released online blueprints for the key - which is used to open thousands of bags going through airport security every day- onto software sharing site Github. Then users took the Computer-Aided Design (CAD) outlines and produced their own version of it on a 3D printer. One user then filmed himself testing the key on one of the TSA-approved padlocks - and it worked. It has prompted concerns that anyone who gets their hands on the designs can produce their own version of the key and access the luggage of the majority of passengers at US airports.Computer-Aided Design (CAD) outlines were uploaded to GithubBlueprints circulated after picture of key was leaked by Washington PostThey accidentally uploaded it with a feature about airport luggageOne lockpicker tried out the guidelines and quickly produced the keyHe said it picked a TSA-approved lock with ease 
 Question:Xylitol, the _ user who published the files, told Wired magazine: 'Honestly I wasn’t expecting this to work, even though I tried to be as accurate as possible from the pictures.

Ex Output:

Github