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: 'Prague is the capital city of the Czech Republic , and a great place for tax free shopping .', Argument/Subject 1: 'prague', Argument/Subject 2: 'czech republic'

Ex Output:
be capital city of


Ex Input:
Sentence: 'He married Mary Whipple daughter of Capt .', Argument/Subject 1: 'mary', Argument/Subject 2: 'capt'

Ex Output:
be daughter of


Ex Input:
Sentence: 'Ronald Reagan was not being elected in 1984 because he was already the President .', Argument/Subject 1: 'reagan', Argument/Subject 2: 'president'

Ex Output:

be elect