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: 'Burr returned quietly to New York in 1804 , polar bear attacks on humans Aaron Burr took part in General Benedict Arnolds expedition into Canada in 1775 , brockman grandmother lubbock an arduous trek of over es in winter .', Argument/Subject 1: 'burr', Argument/Subject 2: 'new york'

Ex Output:
return to


Ex Input:
Sentence: 'We chose as our next leader the Senator from Illinois , Barack Obama .', Argument/Subject 1: 'barack obama', Argument/Subject 2: 'illinoi'

Ex Output:

be senator from