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.

[EX Q]: Sentence: 'And remember , before we can keep going , we 've got to get going by electing Barack Obama the next President of the United States .', Argument/Subject 1: 'president', Argument/Subject 2: 'unite state'
[EX A]: elect of

[EX Q]: Sentence: 'I was editor of Surfer magazine , and Richard Nixon was president of the United States .', Argument/Subject 1: 'nixon', Argument/Subject 2: 'unite state'
[EX A]: be president of

[EX Q]: Sentence: 'New York Times sister paper the Boston Globe had previously endorsed Barack Obama , prior to the New Hampshire primary .', Argument/Subject 1: 'time', Argument/Subject 2: 'obama'
[EX A]:
endorse