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: 'present at', Sentence: 'Paper presented at Workshop on Economics , IUCN General Assembly , 4-5th February , Costa Rica .'
presented

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: 'be part of', Sentence: 'These beers evolved from regions of Germany long associated with and known for their dark beers such as Franconia and parts of Bohemia across the border in the Czech Republic .'

parts