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: 'be hold in', Sentence: 'The Circus Fans Association of America will be holding their National Convention in Las Vegas at the Orleans from June 15-18 this summer , and besides myself , several other collectors , dealers , museum curators and etc . will be there .'
holding