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: '" Cape Town has undoubtedly the safest central city in South Africa , " said Boraine .', Argument/Subject 1: 'cape town', Argument/Subject 2: 'south africa'

Ex Output:
be city of


Ex Input:
Sentence: 'The spies find out that Saul has indeed come to kill David .', Argument/Subject 1: 'david', Argument/Subject 2: 'saul'

Ex Output:
kill


Ex Input:
Sentence: 'The Committee is appointed by the President with the Dean of the Graduate School and Research acting as the Chair .', Argument/Subject 1: 'committee', Argument/Subject 2: 'president'

Ex Output:

be appoint by