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: 'Clarence was recently elected Chair of the Vancouver School Board in December 2007 .', Argument/Subject 1: 'board', Argument/Subject 2: 'chair'

SOLUTION: elect

PROBLEM: Sentence: 'I bet Obama wishes he picked Hillary Clinton !', Argument/Subject 1: 'obama', Argument/Subject 2: 'hillary'

SOLUTION: pick

PROBLEM: Sentence: '1868-Andrew Johnson is impeached by the House of Representatives .', Argument/Subject 1: 'johnson', Argument/Subject 2: 'house'

SOLUTION:
be impeach by