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: 'Pro-I people have many reasons why they do not believe Taiwan is part of China .', Argument/Subject 1: 'taiwan', Argument/Subject 2: 'china'

SOLUTION: be part of

PROBLEM: Sentence: 'The city of Rio de Janeiro is situated in the Southeastern Region of Brazil .', Argument/Subject 1: 'rio de janeiro', Argument/Subject 2: 'brazil'

SOLUTION:
be city of