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: 'Bill served his country in the U.S. Navy for three years before marrying in 1961 .', Argument/Subject 1: 'bill', Argument/Subject 2: 'us navy'

Ex Output:
serve in


Ex Input:
Sentence: 'Diego Garcia , a low-lying island in the Chagos Group Archipelago located in the Indian Ocean , is a critical strategic location for the United States Military ship and aircraft ...', Argument/Subject 1: 'diego garcium', Argument/Subject 2: 'indian ocean'

Ex Output:
be island in


Ex Input:
Sentence: 'Cities along this route include Kansas City , Lawrence , Topeka , Junction City , Salina , Hays , and Colby .', Argument/Subject 1: 'salina', Argument/Subject 2: 'kansa'

Ex Output:

be city in