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: 'Prime Minister Geir Haarde has called an election for May and said he 'll step down because of illness .', Argument/Subject 1: 'haarde', Argument/Subject 2: 'may'

Ex Output:
call election for


Ex Input:
Sentence: 'Colin Powell endorsed Obama because he 's black .', Argument/Subject 1: 'powell', Argument/Subject 2: 'obama'

Ex Output:
endorse


Ex Input:
Sentence: 'A six-year member of the USTA Middle States Section Board , he began a two-year term as Tennis Industry Association President in January 2007 .', Argument/Subject 1: 'president', Argument/Subject 2: 'board'

Ex Output:

be member of