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: 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  referred  to as something?

Ex Output:
corridor


Ex Input:
Sentence: 23.60 % of all households were made up of individuals and 8.40 % had someone living alone who was 65 years of age or older . 
 Question: how much   made  up something?

Ex Output:
23.60 %


Ex Input:
Sentence: A federated identity in information technology is the means of linking a person 's electronic identity and attributes , stored across multiple distinct identity management systems . 
 Question: what is something linking?

Ex Output:

a person 's electronic identity and attributes , stored across multiple distinct identity management systems