Task: Question Answering
Input (English): Context: Georg Ossian Sars was born on April 20, 1837, in Kinn, Norway (now part of Flora), the son of Michael Sars and Maren Sars; the historian Ernst Sars was his elder brother, and the singer Eva Nansen was his younger sister. 
 Question: Who is Georg Ossian Sars's sister?
Output (English): eva nansen