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.

Ex 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 .'

Ex Output:
speak


Ex Input:
Given Relationship: 'be part of', Sentence: 'Western Russia makes up the east part of Europe and has all its famous cities such as Moscow , St . Petersburg , Stalingrad , Leningrad etc .'

Ex Output:
part


Ex Input:
Given Relationship: 'be centre of', Sentence: 'Villa Sebali Ubud Bali is just 15 minute drive from the centre of Ubud , the cultural and artistic heart of Bali .'

Ex Output:

centre