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 Input:
Sentence: A substantially revised version of '' Champagne Charlie '' was recorded in 1932 by the American blues singer Blind Blake .
Question: what is revised?

Ex Output:
version of '' Champagne Charlie ''

Ex Input:
Sentence: Born in Washington , D.C. to a British father and an American mother , Florence King grew up in the District with her parents , a sister , her maternal grandmother and her grandmother 's maid .
Question: who was someone born to?

Ex Output:
a British father and an American mother

Ex Input:
Sentence: This technology is implemented in the lens itself , or by moving the sensor as the final element in the optical path .
Question: what is moved?

Ex Output:
the sensor