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: 'He also said that a nuclear-armed Iran would be a threat to both Israel and the United States .', Argument/Subject 1: 'israel', Argument/Subject 2: 'iran'

Ex Output:
be threat to


Ex Input:
Sentence: 'DOE- The Department of Energy will hold an open meeting of the Unconventional Resources Technology Advisory Committee on September 11-12 , 2008 at the Hilton Alexandria Old Town .', Argument/Subject 1: 'committee', Argument/Subject 2: 'september'

Ex Output:
meet in


Ex Input:
Sentence: 'Cain in killing Abel , stabbed half the world at one blow , yet he could not kill the worm in his own conscience !', Argument/Subject 1: 'cain', Argument/Subject 2: 'abel'

Ex Output:

kill