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.

Example Input: Sentence: Fayette County was one of the original three counties created from the former Kentucky County , Virginia by the Virginia Act in 1780 , along with Jefferson and Lincoln counties , and which together separated from Virginia in 1792 to become the state of Kentucky . 
 Question: when did something become something?
Example Output: in 1792

Example Input: Sentence: As ex-slaves risked beatings for failing to meet the continuing duties , their freedom was limited . 
 Question: what was  limited?
Example Output: their freedom

Example Input: Sentence: According to Indian government analysis , they began the process of laying a corridor , which is now widely referred to as the Revolutionary Corridor extending from Nepal to across six Indian States , including Bihar , Chhattisgarh , Jharkhand , Andhra Pradesh , Odisha and Madhya Pradesh . 
 Question: what is  extending?
Example Output:
corridor