Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Ex Input:
Context: The Egyptian Peasant is a book by Henry Habib Ayrout about the life of the Egyptian peasant (fellah). 
 Question: Who was the writer of The Egyptian Peasant?

Ex Output:
henry habib ayrout


Ex Input:
Context: U.S. Bottled Water Sales Are Booming Again Despite Opposition Despite organized anti-bottled-water campaigns across the country and a noisy debate about bottled water's environmental impact, Americans are buying more bottled water than ever. Why do so many people seem to think they should have any input on what other American's choose to buy or do? If they want to buy bottled water, let them. If they want to eat fast food, let them. If they want to smoke pot, let them. -- Barackalypse People just get tired of paying for others' bad behavior. If many people eat excessive fast food, you pay higher insurance premiums. If many people frequently buy bottled water, your trash bills go up and landfills fill up quickly.www.zxxk.com It's about personal responsibility, which really should be a cornerstone of libertarianism. -- Bdbr So? This is the price you pay to live in a free society. You want to control the life of another just so you can save a few bucks? What would you say when someone do the same to you? -- Norman619 Defend selfish pricks all you like; I'm just glad there are still people who still believe personal responsibility is a good and decent thing. We make your life cheaper and less bothersome. -- Yoyo What a waste of money! It's fine when you're on the road and you need a cold drink, but people who buy cases of bottled water for home are completely crazy. -- Agmlauncher I wish we all can find a way to improve things and benefit from this. The environment needs a lot of help but businesses will always work on what people would need and demand. Is this part of the balance? Hope we can find better ways. -- Skipweis 
 Question: Who would agree with Barackalypse on this matter?

Ex Output:
norman619.


Ex Input:
Context: On 7 July 1899, a part of the territory of Villiers-sur-Marne was detached and merged with a part of the territory of La Queue-en-Brie and a part of the territory of Chennevieres-sur-Marne to create the commune of Le Plessis-Trevise. 
 Question: Which replaced the Villiers-sur-Marne?

Ex Output:

le plessis-trévise