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: While always referring to oneself or the audience by name would be considered strange in English , in Vietnamese it is considered friendly , and is the preferred way to converse among close friends . 
 Question: why does someone converse  among someone?

Ex Output:
is the preferred way


Ex Input:
Sentence: Pitt spoke out against the Convention of El Pardo which aimed to settle the dispute peacefully . 
 Question: what did something aim  to do?

Ex Output:
settle the dispute peacefully


Ex Input:
Sentence: Then , built by the LNWR , the branch line to Ashbourne was opened in 1899 . 
 Question: what was  opened?

Ex Output:

the branch line to Ashbourne