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.

Q: Given Relationship: 'be capital of', Sentence: 'Dr. Rimoin collaborates closely with the DRC Ministry of Health and has offices in Kinshasa at the National Laboratory and in central Congo in Lodja , the administrative capital of the Sankuru District in the Kasai Oriental .'

A: capital
****
Q: Given Relationship: 'be man of', Sentence: 'David was a man after God 's own heart , and yet he had sins of his youth which reproached him .'

A: man
****
Q: Given Relationship: 'be problem on', Sentence: 'Spamming is a known problem on the Internet .'

A:
problem
****