Q: 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 director of', Sentence: 'Chu , 60 , has been the director of the Lawrence Berkeley National Laboratory since 2004 , and is a Nobel Prize winner , having won in physics in 1997 for "development of methods to cool and trap atoms with laser light .'
A:
director