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.

Given Relationship: 'be city of', Sentence: 'It is the only freighter service operating from Coimbatore Airport , which is located in a highly industrialised area and is the second largest city in the state of Tamil Nadu .'
city

Given Relationship: 'graduate from', Sentence: 'Michelle Obama is a graduate of Princeton and Harvard Law School , now on leave from her job as an executive at one of Chicago 's largest medical centers .'
graduate

Given Relationship: 'be locate in', Sentence: 'Mauritius is strategically located in the South West Indian Ocean .'

located