Task: Translation
Input (English): English sentence: In early 1891, at the height of her mathematical powers and reputation, Kovalevskaya died of influenza complicated by pneumonia.
Output (Tagalog): Sa unang bahagi ng 1891, sa taas ng kanyang kapangyarihan matematika at mabuting pangalan, Kovalevskaya namatay ng trangkaso kumplikado ng pneumonia.