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 creator of', Sentence: 'According to the Incas , Viracocha was the creator of civilization .'
[EX A]: creator

[EX Q]: Given Relationship: 'be son of', Sentence: 'Phinehas son of Eleazar had been in charge of the gatekeepers in earlier times , and the LORD had been with him .'
[EX A]: son

[EX Q]: Given Relationship: 'be president of', Sentence: 'Lawrence H. Summers , president of Harvard University and the former secretary of the US Treasury , recently urged Asian exporters who depend on the US market to prepare themselves for a possible economic slowdown , and seek out new markets .'
[EX A]:
president