[Q]: Sentence: For example, green light with a wavelength of 555 nanometres (the approximate wavelength to which human eyes are most sensitive) has a frequency of 7014540000000000000♠️540 THz (7014540000000000000♠️5401012 Hz). Question: At about what wavelength of light are human eyes most sensitive?
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[A]: yes

[Q]: Sentence: The first mascot, however, was a live, caged bear cub from the Lincoln Park Zoo named Furpaw who was brought to the playing field on the day of a game to greet the fans. Question: What was the first mascot of Northwestern Athletics?
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[A]: yes

[Q]: Sentence: A modern intercity rail connection between Athens and Thessaloniki has also been established, while an upgrade to double lines in many parts of the 2,500 km (1,600 mi) network is underway. Question: How long is the Greek railway system?
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[A]:
yes