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.

Example Input: 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 .'
Example Output: capital

Example Input: Given Relationship: 'be province of', Sentence: 'An organic tea from the Huang Shan mountains located in the southern part of the Anhui province of China .'
Example Output: province

Example Input: Given Relationship: 'be president of', Sentence: 'A unique book with a priceless legacy that will nourish your family in body and spirit and the Foreword is by US Senator and soon to be the 44th for president of the United States , Barack Obama .'
Example Output:
president