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: 'He would probably rather forget the principles I heard him defend in a closed forum last year arguing against inviting Ahmadinejad to speak at Columbia after a previous attempt to have him speak at the institution without Bollinger 's knowledge fell through .'

Output: speak


Input: Consider Input: Given Relationship: 'be city in', Sentence: 'Magnolia is a city in Columbia County , which has a population of 17,155 as of the year 2000 .'

Output: city


Input: Consider Input: Given Relationship: 'be capital of', Sentence: 'FREETOWN - The capital of Sierra Leone has been hit by one of the worst water shortages in four decades , according to the country 's water supply authority .'


Output: capital