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.

Input: Consider Input: Sentence: 'This is important because Windows Vista , the upcoming version of the Microsoft Windows operating system , will require DRM for playback of HD content .', Argument/Subject 1: 'vista', Argument/Subject 2: 'microsoft window'

Output: be version of


Input: Consider Input: 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'

Output: elect of


Input: Consider Input: Sentence: 'The Republic of Austria is a landlocked country in Central Europe , a federation of nine states .', Argument/Subject 1: 'austrium', Argument/Subject 2: 'europe'


Output: be country in