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

Ex Output:
their freedom


Ex Input:
Sentence: When BrdU is integrated into DNA , it is supposed that the bromine deforms the minor groove so that Hoechst dyes can not reach their optimal binding site . 
 Question: where is something binding?

Ex Output:
site


Ex Input:
Sentence: Digging in south of Bologna for the winter , the 34th jumped off , 15 April 1945 , and captured Bologna on 21 April . 
 Question: who   dug   somewhere?

Ex Output:

the 34th