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.
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Question: 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 .'

Answer: professor


Question: Given Relationship: 'speak of', Sentence: 'The apostle Paul in writing to the church at Corinth speaks of the light of God shinning in our hearts .'

Answer: speaks


Question: Given Relationship: 'be set to', Sentence: 'This behavior is exactly like that of images whose align attribute has been set to left or right .'

Answer:
set