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: 'discover', Sentence: 'School children throughout the United States and Canada will tell you that Christopher Columbus discovered America when he was searching for a faster , more efficient route to the riches of India .'
discovered

Given Relationship: 'be capital of', Sentence: 'Cusco is the ancient capital of Inca empire and is a beautiful , beautiful town .'
capital

Given Relationship: 'be part of', Sentence: 'Sint Maarten , part of the Netherlands Antilles , is located on the southern side of the island it shares with French St Martin .'

part