Detailed Instructions: 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.
Q: Given Relationship: 'be part of', Sentence: 'Scientists supported by the National Institute of Dental and Craniofacial Research , part of the National Institutes of Health , have added a key new piece to the puzzle of how tumor cells induce new blood vessels to form and fuel their abnormal growth , a well-known process called angiogenesis .'
A:
part