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 senator from', Sentence: 'Wall Street Journal says yesterday vote Voice of America US Senate Votes to Renew Wiretap Law Voice of America Feb wiretap bill prompted return to chamber of two presidential candidates Democratic Senator Barack Obama of Illinois and Republican Senator FISA Is Ratings Poison Yahoo!'

Answer: Senator


Question: Given Relationship: 'run on', Sentence: 'The Xen Dom0 is running Linux CentOS 5.2 on Intel Xeon CPUs with VT extensions .'

Answer: running


Question: Given Relationship: 'be officer of', Sentence: 'Rene Schena is the Chief Executive Officer and Chairperson of the Board of Directors , Dr. Mark Schena is the Chief Technology Officer/President as well as a director , while Todd Martinsky is the Chief Operating Officer and Secretary/Treasurer .'

Answer:
Officer