Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.

Q: Relationship: 'be hold in', Argument/Subject 1: 'world economic forum', Argument/Subject 2: 'davo'

A: Davos , where the 2009 World Economic Forum is being held .
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Q: Relationship: 'say of', Argument/Subject 1: 'bochco', Argument/Subject 2: 'kaczmarek'

A: Bochco says of Kaczmarek .
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Q: Relationship: 'be appoint by', Argument/Subject 1: 'council of minister', Argument/Subject 2: 'prime minister'

A:
Ruling power is concentrated in the President , who appoints a Prime Minister and other members of the Council of Ministers through which the President exercises executive power .
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