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.

[Q]: Given Relationship: 'be capital of', Sentence: 'Jaipur , the capital of Rajasthan , was built in 1728 by Maharaja Sawai Jai Singh II .'
[A]: capital


[Q]: Given Relationship: 'be creator of', Sentence: 'Bjarne Stroustrup is the creator of C++ , one of the most widely used languages that allows object-oriented programming .'
[A]: creator


[Q]: Given Relationship: 'look at', Sentence: 'Ron looked nervously at Harry , then snatched up a book at random and hid behind it .'
[A]:
looked