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: 'Postnova first was based in an office in Munich downtown in the state of Bavaria in Germany .', Argument/Subject 1: 'bavarium', Argument/Subject 2: 'germany'

SOLUTION: be state in

PROBLEM: Sentence: 'Colin Powell endorsed Obama because he 's black .', Argument/Subject 1: 'powell', Argument/Subject 2: 'obama'

SOLUTION: endorse

PROBLEM: Sentence: 'After the 7 Dec Japanese attack on Pearl Harbor , she departed the convoy at Capetown and returned to the US to join the 4th Fleet .', Argument/Subject 1: 'japanese', Argument/Subject 2: 'pearl harbor'

SOLUTION:
attack