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: A federated identity in information technology is the means of linking a person 's electronic identity and attributes , stored across multiple distinct identity management systems . 
 Question: what is  stored?
[EX A]: a person 's electronic identity and attributes

[EX Q]: Sentence: Boshoff claimed a symbolism of the murder for farm murders that he described as `` nothing other than a state of war '' . 
 Question: what did someone describe?
[EX A]: a symbolism of the murder for farm murders

[EX Q]: 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 is something supposed?
[EX A]:
the bromine deforms the minor groove so that Hoechst dyes can not reach their optimal binding site