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.

Ex Input:
Given Relationship: 'look to', Sentence: 'Gabrielle looked at Xena who stood there stunned .'

Ex Output:
looked


Ex Input:
Given Relationship: 'convert to', Sentence: 'After it converts ATP to ADP , the level of the latter accumulates outside the cell and the purine can bind to a purine receptor called P2Y1 .'

Ex Output:
converts


Ex Input:
Given Relationship: 'be city in', Sentence: 'Incheon is the fourth most populous city in South Korea , on its west coast .'

Ex Output:

city