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.
--------
Question: Given Relationship: 'be president of', Sentence: 'Ted Haggard resigned Thursday afternoon as president of the National Association of Evangelicals , amid allegations that surfaced Wednesday about involvement with a male prostitute .'

Answer: president

Question: Given Relationship: 'look for', Sentence: 'With new products , a redesigned web site , and a whole new look for the classic Zuluboard , ZuluWorks ' kneeboards and accessories have never looked better .'

Answer: look

Question: Given Relationship: 'power by', Sentence: 'Audio Recording School Blog is powered by WordPress 2.6 and delivered to you in 2.249 seconds using 19 queries .'

Answer:
powered