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: 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 is  varied?
[EX A]: the optical path to the sensor

[EX Q]: Sentence: The Venezuelan government declined to appeal the case any further , and in November 1987 Bosch was freed . 
 Question: what wo n't someone appeal?
[EX A]: the case

[EX Q]: Sentence: The Venezuelan government declined to appeal the case any further , and in November 1987 Bosch was freed . 
 Question: what did someone decline  to do?
[EX A]:
appeal the case any further