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: 'Buffy looks at Xander .', Argument/Subject 1: 'buffy', Argument/Subject 2: 'xander'

Ex Output:
look up at

Ex Input:
Sentence: 'Crile repeatedly says that Carter signed such a finding ordering the CIA to provide covert backing to the moujahedeen after the Soviet Union invaded Afghanistan on Dec. 24 , 1979 .', Argument/Subject 1: 'soviet union', Argument/Subject 2: 'afghanistan'

Ex Output:
invade

Ex Input:
Sentence: 'The Solomon Islands is a nation in the South Pacific Ocean , east of Papua New Guinea and is part of the Commonwealth of Nations .', Argument/Subject 1: 'solomon island', Argument/Subject 2: 'south pacific ocean'

Ex Output:
be nation in