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.

Sentence: 'The Board will elect a President for 2004-2005 .', Argument/Subject 1: 'board', Argument/Subject 2: 'president'
elect

Sentence: 'When Hurricane Katrina hit the Gulf Coast , the governors of Louisiana , Mississippi , and Alabama were unable to make full use of the very organization whose principal task is the protection of citizens in times of crisis , the National Guard .', Argument/Subject 1: 'hurricane katrina', Argument/Subject 2: 'gulf coast'
hit

Sentence: 'Gradually the official language of Ukrainian provinces under Poland was changed to Polish , while the upper classes in the Russian part of Ukraine used Russian widely .', Argument/Subject 1: 'polish', Argument/Subject 2: 'poland'

be language of