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 leader of', Sentence: 'The leader of the U.S. House of Representatives , Speaker Nancy Pelosi , toured Jerusalem holy sites Saturday alongside a congressional delegation that included Democratic Rep. Keith Ellison , the first Muslim elected to Congress .'
leader

Given Relationship: 'be focus of', Sentence: 'The Guttmacher Institute , a nonprofit research group focusing on sexual and reproductive health , recently analyzed data on abortions from 1979 to 2004 and found the number of teens having abortions has declined significantly .'
focusing

Given Relationship: 'be city in', Sentence: 'Montevideo is a city in Chippewa County , Minnesota .'
city