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

[EX Q]: Given Relationship: 'be nation in', Sentence: 'IKEA is one of the few store chains to have locations both in Israel and in other Middle East nations .'
[EX A]: nations

[EX Q]: Given Relationship: 'be part of', Sentence: 'When India was part of the British Empire , pale ale shipped to the troops would often spoil due to the rough voyage and temperature extremes .'
[EX A]:
part