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: 'They were all established in Polynesia before Columbus discovered America , and hence could not have been introduced by later Spanish vessels .'
discovered

Given Relationship: 'be city in', Sentence: 'Gardner is a city in Johnson County , Kansas , USA....'
city

Given Relationship: 'return to', Sentence: 'We know that it is to Jerusalem that Jesus will return to establish His kingdom of peace over all the earth .'

return