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: The Packers had not lost at Lambeau Field in December since the 1993 season , and the 5-7 Panthers desperately needed a win to keep their playoff hopes alive . 
 Question: why must someone win?

Ex Output:
to keep their playoff hopes alive


Ex Input:
Sentence: The reason she is worshiped with the ancestors is because the beloved dead are her children . 
 Question: why is someone worshiped?

Ex Output:
because the beloved dead are her children


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: when is something abbreviated?

Ex Output:

often