instruction:
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.
question:
Sentence: 'The version 0.8 release of the GELLMU Project was the first release providing an output stream for the XML form of HTML extended by the World Wide Web Consortium 's Mathematical Markup Language .', Argument/Subject 1: 'html', Argument/Subject 2: 'world wide web'
answer:
be language of

question:
Sentence: 'Sen. McCain , who wants to be our next president , has skipped this vote three times now .', Argument/Subject 1: 'mccain', Argument/Subject 2: 'president'
answer:
want to be

question:
Sentence: 'Early Knesset elections will be held in Israel on February 10 , after the new Kadima leader , Foreign Minister Tzipi Livni failed to put together a coalition government .', Argument/Subject 1: 'tzipus livnus', Argument/Subject 2: 'kadima'
answer:
be leader of