instruction:
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.
question:
Sentence: When BrdU is integrated into DNA , it is supposed that the bromine deforms the minor groove so that Hoechst dyes can not reach their optimal binding site . 
 Question: what   deforms something?
answer:
the bromine


question:
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: what did someone eradicate?
answer:
serious corruption ### serious corruption in the Bureau of Indian Affairs


question:
Sentence: The distinction between Primary and Secondary groups serves to identify between two orders of social organisation through analysis of the group relationships and their nature . 
 Question: what does something serve  to do?
answer:

identify between two orders of social organisation through analysis of the group relationships and their nature


