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.

Input: Consider Input: Sentence: On September 21 , 1955 , Moore went up in weight to face future Hall of Famer Rocky Marciano for Marciano 's Heavyweight Championship . 
 Question: who   faced someone?

Output: Moore


Input: Consider Input: Sentence: Millais , absorbed by his painting and did not notice and Siddal did not complain . 
 Question: who did n't  complain  about something?

Output: Siddal


Input: Consider Input: 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 something be regarded  as?


Output: euthanasia


