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: 'Wal-Mart is Mexico 's largest private-sector employer in the nation today , with nearly 150,000 local residents on its payroll .', Argument/Subject 1: 'wal-mart', Argument/Subject 2: 'mexico'

SOLUTION: be employer in

PROBLEM: Sentence: 'A short time after the NFL banned Ephedra , also known by the Chinese been using EPHEDRA because EPHEDRA killed my houghton and I find them kind of headlines .', Argument/Subject 1: 'ephedron', Argument/Subject 2: 'nfl'

SOLUTION: be ban by

PROBLEM: Sentence: 'This is a fan made movie teaser trailer for the upcoming Iron Man movie starring Robert Downey Jr. as Tony StarkIron Ma. .', Argument/Subject 1: 'iron man', Argument/Subject 2: 'robert downey jr'

SOLUTION:
star