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: 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?

Output: SUPER-UX , such as Emacs , and Vim


Input: Consider Input: Sentence: On the run , she develops a revolutionary new theory of quantum cognition , which she writes down in a little black book . 
 Question: when does someone develop something?

Output: on the run


Input: Consider Input: Sentence: The `` power cepstrum '' was defined in a 1963 paper by Bogert et al. . 
 Question: how was something defined?


Output: in a 1963 paper by Bogert et al.