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: 'Kerry is better for some and Bush is better for others .', Argument/Subject 1: 'kerry', Argument/Subject 2: 'bush'

SOLUTION: be better than

PROBLEM: Sentence: 'Georgia wants to join both NATO and the European Union and is at the centre of a power struggle between the West and Russia over the Caucasus region which hosts a pipeline pumping oil from the Caspian Sea to Europe .', Argument/Subject 1: 'georgium', Argument/Subject 2: 'nato'

SOLUTION: want to join

PROBLEM: Sentence: 'Colonel James Livingston was a son of John and Catherine Livingston .', Argument/Subject 1: 'john', Argument/Subject 2: 'jame'

SOLUTION:
be son of