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

Ex Output:
approximate solutions


Ex Input:
Sentence: He also began making super-8 films beginning in junior high , and showed these films to the scholarship committee of Brigham Young University in 1981 , earning a full scholarship in ` Theatre and Cinematic Arts ' after receiving a Sundance Institute ` Most Promising Filmmaker ' award for his film `` Night Meeting '' . 
 Question: who   made something?

Ex Output:
He


Ex Input:
Sentence: An `` optical image stabilizer '' , often abbreviated OIS , IS , or OS , is a mechanism used in a still camera or video camera that stabilizes the recorded image by varying the optical path to the sensor . 
 Question: what   varies something?

Ex Output:

a mechanism ### An `` optical image stabilizer '' ### An `` optical image stabilizer '' , often abbreviated OIS , IS , or OS ### a mechanism used in a still camera or video camera