From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Q: Given Relationship: 'be city in', Sentence: 'Cost : customised by the event agencies that supervise City Tracks : EventMosaic in Ghent , Bruges and Ostend and Kelly Events in Antwerp and other Belgium cities .'

A: cities
****
Q: Given Relationship: 'be chair by', Sentence: 'The Board Treasurer is the Finance Committee chair .'

A: chair
****
Q: Given Relationship: 'establish', Sentence: 'The Parties will establish a Scientific Working Group to coordinate appropriate scientific experiments and activities to be conducted by each side on the respective missions .'

A:
establish
****