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 part of', Sentence: 'In Britain they are most numerous in the rocky western parts such as Cornwall , Wales , Scotland and Ireland , though they are also found further to the east in Wiltshire and Oxfordshire for example .'
[EX A]: parts

[EX Q]: Given Relationship: 'be power by', Sentence: 'EPR Network Blog is powered by WordPress 2.5.1 and delivered to you in 0.564 seconds using 23 queries .'
[EX A]: powered

[EX Q]: Given Relationship: 'be president of', Sentence: 'Jefferson City was named after the third president of the United States of America , Thomas Jefferson .'
[EX A]:
president