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: 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 recorded?

Ex Output:
image

Ex Input:
Sentence: In one instance , Japanese police in the village of Jeam-ri , Hwaseong herded everyone into a church , locked it , and burned it to the ground .
Question: how was something burned?

Ex Output:
to the ground

Ex Input:
Sentence: The Venezuelan government declined to appeal the case any further , and in November 1987 Bosch was freed .
Question: when was someone freed?

Ex Output:
November 1987