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: 'report to', Sentence: 'Final report of the Select Committee to Study Governmental Operations with Respect to Intelligence Activities , United States Senate .'
report

Given Relationship: 'be leader of', Sentence: 'Kadima has now drawn even with the Likud in some recent polls despite the fact that Kadima leader Tzipi Livni has the unnerving habit of telling the truth , even when her views do not coincide with those of most Israelis .'
leader

Given Relationship: 'be centre of', Sentence: 'Apartments were popular in Canada , particularly in urban centres like Vancouver , Toronto and Montreal in the 1950s to 1970s .'

centres