Task: Translation
Input (English): English sentence: Apparently he eventually became unable to undertake work which required him to concentrate, and research in mathematics became impossible at these times.
Output (Tagalog): Apparently siya sa huli ay naging hindi upang magsagawa ng trabaho na kung saan kinakailangan sa kanya upang pisanin, at pananaliksik sa matematika ay naging imposible sa mga times.