input: YouTube

YouTube is an American video-sharing website headquartered in San Bruno, California. The service was created by three former PayPal employees--Chad Hurley, Steve Chen, and Jawed Karim--in February 2005. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google's subsidiaries.

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youtube is an american video sharing website headquartered in san bruno california
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output: yes
Question: Black Hawk is located adjacent to Central City, another historic mining settlement in Gregory Gulch. The two cities form the federally designated Central City/Black Hawk National Historic District. The area flourished during the mining boom of the late 19th century following the construction of mills and a railroad link to Golden. The town declined during the 20th century, but has been revived in recent years after the 1991 establishment of casino gambling following a statewide initiative in 1990. In early 2010, the Black Hawk city council passed a law banning the riding of bicycles in the town, drawing a reaction from bicycle advocacy groups and international press. The ban was overturned by the Colorado Supreme Court in 2013. is blackhawk and central city the same place

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Answer: no
IN: Tortola /trtol/ is the largest and most populated of the British Virgin Islands, a group of islands that form part of the archipelago of the Virgin Islands. It has a surface area of 55.7 square kilometres (21.5 square miles) with a total population of 23,908, with 9,400 residents in Road Town. Mount Sage is its highest point at 530 metres (1,740 feet) above sea level.
is tortola a city in the british virgin islands?

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OUT: no
What's the best answer to this question: are you a us citizen if born in the us?

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Answer: yes
Text: Mantas evolved from bottom-dwelling stingrays, eventually developing more wing-like pectoral fins. M. birostris still has a vestigial remnant of a sting barb in the form of a caudal spine. The mouths of most rays lie on the underside of the head, while in mantas they are right at the front. Manta rays and devil rays are the only ray species that have evolved into filter feeders.

Question: do manta rays have barbs on their tails?

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Answer: no
Text: Labor Day in the United States is a public holiday celebrated on the first Monday in September. It honors the American labor movement and the contributions that workers have made to the strength, prosperity, laws and well-being of the country. It is the Monday of the long weekend known as Labor Day Weekend and it is considered the unofficial end of summer in the United States. It is recognized as a federal holiday.

Question: is labor day a public holiday in usa?

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Answer:
yes