Input: Read this: As of 2004[update], 2532 telephone main lines are in use, a mix of analog (2500) and digital (32) circuits. Satellite communications services are planned.[citation needed] There is one locally based radio station (Radio Norfolk 89.9FM), broadcasting on both AM and FM frequencies. There is also one TV station, Norfolk TV, featuring local programming, plus transmitters for Australian channels ABC, SBS, Imparja Television and Southern Cross Television. The Internet country code top-level domain (ccTLD) is .nf.
Question: What is the name of Norfolk Island's only TV station?

Output: Norfolk TV


Input: Read this: New York City is situated in the Northeastern United States, in southeastern New York State, approximately halfway between Washington, D.C. and Boston. The location at the mouth of the Hudson River, which feeds into a naturally sheltered harbor and then into the Atlantic Ocean, has helped the city grow in significance as a trading port. Most of New York City is built on the three islands of Long Island, Manhattan, and Staten Island.
Question: What river is New York City located on?

Output: Hudson River


Input: Read this: Many websites converted their home page to black and white; Sina.com and Sohu, major internet portals, limited their homepages to news items and removed all advertisements. Chinese video sharing websites Youku and Tudou displayed a black background and placed multiple videos showing earthquake footage and news reports. The Chinese version of MSN, cn.msn.com, also displayed banner ads about the earthquake and the relief efforts. Other entertainment websites, including various gaming sites, such as the Chinese servers for World of Warcraft, had shut down altogether, or had corresponding links to earthquake donations. After the moments of silence, in Tiananmen Square, crowds spontaneously burst out cheering various slogans, including "Long Live China". Casinos in Macau closed down.
Question: What did internet portals remove from their home pages?

Output: all advertisements


Input: Read this: Since the launch of the "Reinvent the Toilet Challenge", more than a dozen research teams, mainly at universities in the U.S., Europe, India, China and South Africa, have received grants to develop innovative on-site and off-site waste treatment solutions for the urban poor. The grants were in the order of 400,000 USD for their first phase, followed by typically 1-3 million USD for their second phase; many of them investigated resource recovery or processing technologies for excreta or fecal sludge.
Question: What did many investigate 

Output:
many of them investigated resource recovery or processing technologies for excreta or fecal sludge.