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: 'Chittagong is the second-largest city in Bangladesh and is a major port .', Argument/Subject 1: 'chittagong', Argument/Subject 2: 'bangladesh'

SOLUTION: be city in

PROBLEM: Sentence: 'Jerusalem plays a different role in Islam .', Argument/Subject 1: 'jerusalem', Argument/Subject 2: 'islam'

SOLUTION: play role in

PROBLEM: Sentence: 'There are a lot of indigenous languages .... Whilst French is the official language of Central African Republic , S?ng ? .', Argument/Subject 1: 'french', Argument/Subject 2: 'republic'

SOLUTION:
be language of