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 university in', Sentence: 'University of Tokyo is the only University in Japan which has a system of two years of general education before let the students choose and move on to the major studies .'
[EX A]: University

[EX Q]: Given Relationship: 'call to', Sentence: 'In the story Abraham faithfully obeyed the call of God .'
[EX A]:
call