instruction:
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.
question:
Sentence: 'Current Broncos head coach Mike Shanahan coached the Raiders before being fired just four games into the 1989 season , which has only served to intensify this rivalry .', Argument/Subject 1: 'bronco', Argument/Subject 2: 'mike shanahan'
answer:
fire


question:
Sentence: 'The headquarters of the United States Military Cancer Institute is located at the Walter Reed Army Medical Center in Washington , D.C.', Argument/Subject 1: 'center', Argument/Subject 2: 'unite state'
answer:
be locate in


question:
Sentence: 'April 16 Pol Pot , yet enigmatic Khmer Rouge leader was dead .', Argument/Subject 1: 'pol pot', Argument/Subject 2: 'khmer rouge'
answer:

be leader of