In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.

[EX Q]: Sentence: Having finished his apprenticeship with Hammond , Keats registered as a medical student at Guy 's Hospital and began studying there in October 1815 . 
 Question: who   finished something?
[EX A]: Keats

[EX Q]: Sentence: After graduation , Ciprian went on to study acting at the Bucharest Conservatory , where he was coached by Constantin Nottara . 
 Question: who   studied something?
[EX A]: Ciprian

[EX Q]: Sentence: There is a debate within the medical and bioethics literature about whether or not the non-voluntary killing of patients can be regarded as euthanasia , irrespective of intent or the patient 's circumstances . 
 Question: what might  be regarded  as something?
[EX A]:
the non-voluntary killing of patients