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.

Given Relationship: 'be language of', Sentence: 'In the Greek New Testament , the Greek language is not as much influenced by figures of speech as the Old Testament .'
language

Given Relationship: 'be island in', Sentence: 'Cuba is the bigger island extension of the biggest Antilles .'
island

Given Relationship: 'return to', Sentence: 'The Dalai Lama return to Tibet would have major political implications for China .'

return