TASK DEFINITION: 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.
PROBLEM: 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'

SOLUTION: be language of

PROBLEM: Sentence: 'Thank you President elect Obama for inviting Rick Warren to your inauguration .', Argument/Subject 1: 'president', Argument/Subject 2: 'obama'

SOLUTION: elect

PROBLEM: Sentence: 'Most , if not all , of the political VIPs - including Democratic presidential nominee Barack Obama , former President Bill Clinton and U.S. Sen. Hillary Clinton - stayed until the end .', Argument/Subject 1: 'barack obama', Argument/Subject 2: 'president'

SOLUTION:
be nominee for