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.

Input: Consider Input: Given Relationship: 'speak at', Sentence: 'It is true that Mahmod Ahmadinejad is scheduled to speak at Columbia this Monday .'

Output: speak

Input: Consider Input: 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 .'

Output: focusing

Input: Consider Input: Given Relationship: 'say of', Sentence: 'Download U.S. Senator Hillary Clinton says she will end her bid for the Democratic presidential nomination on Saturday and endorse rival Senator Barack Obama , who has now secured enough delegates to win the nomination .'
Output: says