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: The tank is known as the SV-001 , which not only increases the player 's offense , but considerably adds to their defense . 
 Question: what is something known  as?

Ex Output:
SV-001


Ex Input:
Sentence: On September 21 , 1955 , Moore went up in weight to face future Hall of Famer Rocky Marciano for Marciano 's Heavyweight Championship . 
 Question: when did someone face someone?

Ex Output:
Marciano 's Heavyweight Championship


Ex Input:
Sentence: `` T. moorii '' is a very hierarchical species and should only be kept in colony proportions . 
 Question: what should  be kept  in something?

Ex Output:

T. moorii


