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.

Q: Given Relationship: 'be wife of', Sentence: 'Michelle Obama , wife of Democratic Presidential candidate Barack Obama , acknowledges the crowd at the Democratic National Convention 2008 at the Pepsi Center in Denver , Colorado , on August 25 , 2008 .'

A: wife
****
Q: Given Relationship: 'be commander in', Sentence: 'On issue after issue our hyper-partisan President has abused both the chain of command and his trust as Commander in Chief .'

A: Commander
****
Q: Given Relationship: 'say in', Sentence: 'In a May 4 letter to the House Armed Services Committee , Defense Secretary Donald H. Rumsfeld said that approximately 20,000 private security workers are employed in Iraq .'

A:
said
****