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.
--------
Question: Given Relationship: 'join', Sentence: 'Turkey 's effort to join the European Union has already been an up and down affair .'

Answer: join


Question: 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 .'

Answer: island


Question: Given Relationship: 'be work of', Sentence: 'He was able to do the great work of God through coworking with other missionaries .'

Answer:
work