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.

Input: Consider Input: Sentence: 'He had also been the architect of Japan 's stunningly successful sneak attack on the US Pacific Fleet at Pearl Harbor .', Argument/Subject 1: 'japan', Argument/Subject 2: 'pearl harbor'

Output: attack


Input: Consider Input: 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'

Output: be locate in


Input: Consider Input: Sentence: 'Kosovo is still technically a semi-autonomous province of Serbia , but since 1999 it has been occupied by NATO and UN troops and governed under a United Nations Mandate .', Argument/Subject 1: 'kosovo', Argument/Subject 2: 'serbium'


Output: be province in