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.

Ex Input:
Sentence: 'The Berkshire MPO consists of the Chair of the BRPC , the Chair of the BRTA Advisory Board , the Commissioner of MassHighway , and the Secretary of the EOTC .', Argument/Subject 1: 'board', Argument/Subject 2: 'chair'

Ex Output:
consist of

Ex Input:
Sentence: 'Chicago is the largest city in Illinois .', Argument/Subject 1: 'chicago', Argument/Subject 2: 'illinoi'

Ex Output:
be city in

Ex Input:
Sentence: 'It was in Hokitika that we saw a live Kiwi , a flightless bird that is New Zealand 's national symbol .', Argument/Subject 1: 'kiwi', Argument/Subject 2: 'new zealand'

Ex Output:
be bird of