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: 'be language of', Sentence: 'English is the official language of Ghana and Gambia .'

Ex Output:
language


Ex Input:
Given Relationship: 'be professor of', Sentence: 'Your nerves learn to communicate more effectively with your muscle cells , allowing the muscle to recruit more cells during each contraction , says Mark A. W. Andrews , PhD , associate professor of physiology at Lake Erie College of Osteopathic Medicine in Erie , Pa .'

Ex Output:
professor


Ex Input:
Given Relationship: 'be rename', Sentence: 'Saigon was renamed Ho Chi Minh City after the instigator of Communism .'

Ex Output:

renamed