TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be chairman of', Sentence: 'Alan Greenspan , the Chairman of the U.S. Federal Reserve , the current U.S. administration , and U.S. politicians of all stripes could teach a few lessons to those who dictated the level of inflation ahead of them .'

SOLUTION: Chairman

PROBLEM: Given Relationship: 'speak at', Sentence: 'It is true that Mahmod Ahmadinejad is scheduled to speak at Columbia this Monday .'

SOLUTION: speak

PROBLEM: Given Relationship: 'be trademark of', Sentence: 'Modify application timeout ... Microsoft , Windows and Windows XP are registered trademarks of Microsoft Corporation .'

SOLUTION:
trademarks