TASK DEFINITION: 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.
PROBLEM: 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'

SOLUTION: be language of

PROBLEM: Sentence: 'Oct.12 First House version of the Bill passes .', Argument/Subject 1: 'bill', Argument/Subject 2: 'house'

SOLUTION: pass

PROBLEM: Sentence: 'He has served as President of the Healthcare Materials Managers Association , Director of Materials Management for Pioneer Valley Hospital and COO of Mountain States Medical - a medical supply distributorship .', Argument/Subject 1: 'association', Argument/Subject 2: 'president'

SOLUTION:
have