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: 'Israel is unlawfully occupying Gaza and the West Bank , which is a violation the United Charter and invalidates the right of ?self-defence under article 51 .', Argument/Subject 1: 'israel', Argument/Subject 2: 'west bank'

Output: occupy


Input: Consider Input: Sentence: 'Which is better levitra or viagra paris cheep viagra viagra premature ejactulation caverta veega generic viagra best prices on viagra efficacy of viagra viagra bonline viagra and .', Argument/Subject 1: 'levitra', Argument/Subject 2: 'viagra'


Output: be better than