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: 'In addition to Japan 's three major cities of Tokyo , Osaka and Nagoya , 15 other regional cities are served by rail-based transit systems such as monorails , subways and AGTs .', Argument/Subject 1: 'osaka', Argument/Subject 2: 'japan'

SOLUTION: be city in

PROBLEM: Sentence: 'John lived in Utah and California .', Argument/Subject 1: 'john', Argument/Subject 2: 'californium'

SOLUTION: live in

PROBLEM: Sentence: 'Paper presented at the 6th International Conference on Language and Social Psychology , Ottawa , Canada , 16-20 May 1997 .', Argument/Subject 1: 'paper', Argument/Subject 2: 'conference'

SOLUTION:
present to