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: 'turn to', Sentence: 'Gabrielle never turned to look at Xena , she wanted to be surprised .'
[A]: turned


[Q]: Given Relationship: 'be sign of', Sentence: 'Taurus is the second sign of the Zodiac and the second sign of spring .'
[A]:
sign