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 professor of', Sentence: 'Your nerves learn to communicate more effectively with your muscle cells , allowing the muscle to recruit more cells during each contraction , says Mark A. W. Andrews , PhD , associate professor of physiology at Lake Erie College of Osteopathic Medicine in Erie , Pa .'
[EX A]: professor

[EX Q]: Given Relationship: 'be graduate of', Sentence: 'Lisa is graduate of the Pennsylvania State University .'
[EX A]: graduate

[EX Q]: Given Relationship: 'convert to', Sentence: 'Emperor Constantine converted to Christianity and made it the official religion of the empire .'
[EX A]:
converted