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.

Example Input: Sentence: Losing Barbara caused Dick to become estranged from Bruce for his role . 
 Question: who   became something?
Example Output: Dick

Example Input: Sentence: 1989 saw the release of `` Misspent Youth '' on MCA . 
 Question: what did something see?
Example Output: the release of `` Misspent Youth '' on MCA .

Example 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  linking something?
Example Output:
A federated identity in information technology ### the means