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.

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 something referred  to as?
the Revolutionary Corridor extending from Nepal to across six Indian States , including Bihar , Chhattisgarh , Jharkhand , Andhra Pradesh , Odisha and Madhya Pradesh .

Sentence: The means to lay their foundation being the outcome of special prayers addressed to the Mother of God during the nine days preceding event of 8 Dec. , 1854 . 
 Question: what is  addressed  to someone?
special prayers

Sentence: Having finished his apprenticeship with Hammond , Keats registered as a medical student at Guy 's Hospital and began studying there in October 1815 . 
 Question: who did someone finish something with?

Hammond

