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: Losing Barbara caused Dick to become estranged from Bruce for his role . 
 Question: who was  estranged?
Dick
The word span "Dick" is the unique answer to the question..