TASK DEFINITION: From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
PROBLEM: Given Relationship: 'be neighborhood in', Sentence: 'For April 2008 , the average home selling price in the San Francisco neighborhood of Potrero Hill was $ 681,333 .'

SOLUTION: neighborhood

PROBLEM: Given Relationship: 'be candidate for', Sentence: 'I believe that Barack Obama is the best candidate to succeed George W. Bush as President of the United States .'

SOLUTION: candidate

PROBLEM: Given Relationship: 'be assassinate by', Sentence: 'Then an actor John Wilkes Booth got inside the presidential box and assassinated Lincoln .'

SOLUTION:
assassinated