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.

[Q]: Sentence: 'Washington , D.C. , January 27 , 2009 The Inter-American Commission on Human Rights expresses its deep satisfaction over the decision by the President of the United States , Barack Obama , to close the detention center at the Guantamo Bay Naval Base within a period of no later than one year and to prohibit cruel , inhuman , or degrading treatment in interrogations of detained individuals .', Argument/Subject 1: 'barack obama', Argument/Subject 2: 'unite state'
[A]: be president of


[Q]: Sentence: 'Helms served as chairman of the Agriculture Committee and Foreign Relations Committees when the Republicans held the Senate majority , using his posts to protect his state 's tobacco growers and other farmers and place his stamp on foreign policy .', Argument/Subject 1: 'republican', Argument/Subject 2: 'senate'
[A]: hold on to


[Q]: Sentence: 'How many people understand that every year there are Christian festivals like Easter and the Muslim ones like Eid-Al-Fitr are set by the phases of the moon ?', Argument/Subject 1: 'easter', Argument/Subject 2: 'christian'
[A]:
be festival of