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: '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'

Ex Output:
be language of


Ex Input:
Sentence: 'The Annual General Meeting will be held on February 28 , 2007 in Regina .', Argument/Subject 1: 'annual general meet', Argument/Subject 2: 'february'

Ex Output:
be hold in


Ex Input:
Sentence: 'The AFT had opposed the election of John Sweeney as AFL-CIO president in 1995 .', Argument/Subject 1: 'john sweeney', Argument/Subject 2: 'afl-cio'

Ex Output:

be president of