Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'Joyce Secrest , a teacher at Zadok Casey Middle School , left with family on Monday for Washington , D.C. to witness the Presidential Inauguration of the 44th President of the United States , Barack Obama .', Argument/Subject 1: 'obama', Argument/Subject 2: 'unite state'
be president of