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 centre of', Sentence: 'Although it is thought that Tokyo is the fashion centre of Japan , fashion experts say Osaka is where the big trends actually start .'
centre

Given Relationship: 'provide to', Sentence: 'In a way this is a good thing because , Google would be able to serve better ads and provide even better services by understanding the Internet user behavior .'
provide

Given Relationship: 'write in', Sentence: 'He reviewed drafts of the Declaration of Independence written by Thomas Jefferson .'

written