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: The album is named after the discredited pseudoscience of phrenology , the study of head shapes to determine intelligence and character , which was used to rationalize racism during the 19th century in the United States . 
 Question: what   rationalized something?
[EX A]: pseudoscience of phrenology ### the study of head shapes to determine intelligence and character

[EX Q]: Sentence: In England , at the time of the Domesday Survey , this would have comprised between about 1 and 5 acres . 
 Question: when would something have comprised something?
[EX A]: at the time of the Domesday Survey

[EX Q]: Sentence: They get together periodically to discuss issues of concern to them in relation to regeneration plans . 
 Question: why does someone get?
[EX A]:
to discuss issues of concern to them in relation to regeneration plans