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: 'Michael Steele , chairman of the Republican National Committee , said Tuesday in a statement .', Argument/Subject 1: 'michael steele', Argument/Subject 2: 'republican national committee'
be chairman of

Sentence: 'You and your right wing friends can not defend any Republican without saying a Democrat did something worse then the Republican and that is all you have to say .', Argument/Subject 1: 'republican', Argument/Subject 2: 'democrat'
be say to

Sentence: 'Dealers are not allowed to discount these prices , but we can offer free USA shipping .', Argument/Subject 1: 'ship', Argument/Subject 2: 'usa'

be free in