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.

Input: Consider Input: Given Relationship: 'attack', Sentence: 'The U.S. has pledged to warn Israel of any attack against Iraq .'

Output: attack


Input: Consider Input: Given Relationship: 'be son of', Sentence: 'And Gideon the son of Joash died4 in a good old age , and was buried11 in the sepulchre of Joash his father , in Ophrah of the Abiezrites .'

Output: son


Input: Consider Input: Given Relationship: 'convert to', Sentence: 'There were also concerted efforts to convert this new population to Christianity .'


Output: convert