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 city of', Sentence: 'Lahore is Pakistan 's second largest city and the capital of the northeastern province of Punjab .'
Example Output: city

Example Input: Given Relationship: 'be group in', Sentence: 'By plotting the progress of three foreign-born Hispanic age cohorts who entered the United States by 1980 and three native born Hispanic age groups , it is possible to evaluate the extent to which particular groups are making progress over time .'
Example Output: groups

Example Input: Given Relationship: 'be crop in', Sentence: 'Corn and soybeans are staple crops in the United States , and it is much cheaper to produce oils from these crops than to raise the cattle and swine needed to make butter and lard .'
Example Output:
crops