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 island in', Sentence: 'Travellers are advised to avoid travelling to most of Mindanao , an island in the southern Philippines , especially the Zamboanga peninsula and the Sulu archipelago , where ethnic and religious animosities fuel ongoing violence .'

SOLUTION: island

PROBLEM: Given Relationship: 'be graduate of', Sentence: 'Lisa is graduate of the Pennsylvania State University .'

SOLUTION: graduate

PROBLEM: Given Relationship: 'be son of', Sentence: 'John son of William became " Williamson " or shortened to " Williams " .'

SOLUTION:
son