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.

Example Input: Sentence: 'The spies find out that Saul has indeed come to kill David .', Argument/Subject 1: 'david', Argument/Subject 2: 'saul'
Example Output: kill

Example Input: 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'
Example Output: be president of

Example Input: Sentence: '1732 - George Washington , the first president of the United States , is born at his parents plantation in the Virgina colony ( d .', Argument/Subject 1: 'george washington', Argument/Subject 2: 'unite state'
Example Output:
be president of