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

Relationship: 'face', Argument/Subject 1: 'obama', Argument/Subject 2: 'mccain'
Obama will be crowned the Democratic nominee at the party 's August nominating convention and will face Republican John McCain in November to choose a successor to President George W. Bush .

Relationship: 'start in', Argument/Subject 1: 'cultural revolution', Argument/Subject 2: 'china'
40 years ago , in May , 1966 , the Great Proletarian Cultural Revolution started in China , bound to become a cornerstone in the development of the entire 20th century .

Relationship: 'be appoint by', Argument/Subject 1: 'chairman', Argument/Subject 2: 'council'

Shaikh Khalifa was also appointed Chairman of the Supreme Petroleum Council .