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: Instead , much of numerical analysis is concerned with obtaining approximate solutions while maintaining reasonable bounds on errors . 
 Question: when might something obtain something?
[EX A]: while maintaining reasonable bounds on errors

[EX Q]: Sentence: Latif said he traveled from Yemen to Pakistan in August 2001 to seek medical treatment , while the U.S. government alleged he went there to receive military training from affiliates of al Qaeda . 
 Question: who   said something?
[EX A]: Latif ### he

[EX Q]: Sentence: Under an Elizabethan statute , the Erection of Cottages Act 1588 , the cottage had to be built with at least of land . 
 Question: how must something be built?
[EX A]:
with at least of land

