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: As Secretary of the Interior , Chandler eradicated serious corruption in the Bureau of Indian Affairs , fully endorsing President Grant 's Peace Policy initiative to civilize American Indian tribes . 
 Question: why did someone endorse something?
[EX A]: to civilize American Indian tribes

[EX Q]: Sentence: In addition to commercial applications , there is a wide body of free software for the UNIX environment which can be compiled and run on SUPER-UX , such as Emacs , and Vim . 
 Question: what can something be run  on?
[EX A]: SUPER-UX , such as Emacs , and Vim

[EX Q]: Sentence: A substantially revised version of `` Champagne Charlie '' was recorded in 1932 by the American blues singer Blind Blake . 
 Question: what is  revised?
[EX A]:
version of `` Champagne Charlie ''