Definition: Given a sentence in Tagalog language, translate the sentence to English language keeping the meaning of the original sentence intact.
Input: Tagalog sentence: Sa 1982, kapag siya ay isang ikalawang-taon nagtapos na estudyante, Simon Donaldson proved isang resulta na masindak sa matematika mundo.
Output:
In 1982, when he was a second-year graduate student, Simon Donaldson proved a result that stunned the mathematical world.