Text: The Waterloo & City line (colloquially known as The Drain) is a London Underground line that runs between Waterloo and Bank with no intermediate stops. Its primary traffic consists of commuters from south-west London, Surrey and Hampshire arriving at Waterloo main line station and travelling forward to the City of London financial district, and for this reason the line does not normally operate on Sundays.

Question: is waterloo and city line open on sunday?
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Answer: no

Text: The Empire State Building stood as the world's tallest building for nearly 40 years until the completion of the World Trade Center's North Tower in Lower Manhattan in late 1970. Following the September 11 attacks in 2001, it was again the tallest building in New York until the new One World Trade Center was completed in April 2012.

Question: was the empire state building the tallest in the world?
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Answer: yes

Text: A standard home blow dryer will kill 96.7% of eggs with proper technique. To be effective, the blow dryer must be used repeatedly (every 1 to 7 days since eggs hatch in 7 to 10 days) until the natural life cycle of the lice is over (about 4 weeks).

Question: can you get rid of lice with a hair dryer?
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Answer: yes

Text: Both the music and lyrics are in public domain in both the European Union and United States. The copyright expired in the European Union on January 1, 2017. In the United States, a federal court ruled in 2016 that Warner/Chappell's copyright claim was invalid and there was no other claim to copyright.

Question: is the happy birthday song illegal to sing?
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Answer:
no