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: 'WDB was written in Perl , and used to provide access to a Sybase database .', Argument/Subject 1: 'wdb', Argument/Subject 2: 'perl'

SOLUTION: be write in

PROBLEM: Sentence: 'But even though it 's the poorest country in South America , Bolivia is surprisingly self-sufficient with ample supplies of oil , natural gas and other natural resources .', Argument/Subject 1: 'bolivium', Argument/Subject 2: 'south america'

SOLUTION: be country in

PROBLEM: 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'

SOLUTION:
be version of