Task: Explanation
Input (English): Edmond (or Edmund) Halley, FRS (pronounced ; 8 November [O.S. 29 October] 1656 – 25 January 1742 [O.S. 14 January 1741] ) was an English astronomer, geophysicist, mathematician, meteorologist, and physicist who is best known for computing the orbit of Halley's Comet. He was the second Astronomer Royal in Britain, succeeding John Flamsteed. Question:  the Royal Society was unable to meet its promise to finance the publication of Newton's "Philosophiae Naturalis Principia Mathematica" and let this to the clerk of the society who was best known for computing what? Answer: the orbit of Halley's Comet
Output (English): Edmond or Edmund Halley, FRS pronounced ; 8 November O.S. 29 October 1656 – 25 January 1742 O.S. 14 January 1741  was an English astronomer, geophysicist, mathematician, meteorologist, and physicist who is best known for computing the orbit of Halleys Comet.