Given the task definition and input, reply with output. 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.

Given Relationship: 'say of', Sentence: 'Her chief of staff , Anita McBride says Mrs. Bush realizes this is also a big transition for the Obama family as it moves into one of the most famous houses in the world .'
says