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.

[EX Q]: Given Relationship: 'be son of', Sentence: 'Peter is called son of John in John 21:15 and Barjona in Matt 16 :17 .'
[EX A]: son

[EX Q]: 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 .'
[EX A]: city

[EX Q]: Given Relationship: 'present at', Sentence: 'Paper presented at the AARE , Brisbane .'
[EX A]:
presented