Given two noun phrases (arguments) and relationship between them, form a sentence that expresses theses arguments with the given relationship.
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Question: Relationship: 'be president of', Argument/Subject 1: 'brown', Argument/Subject 2: 'earth policy institute'

Answer: Lester Brown , president of Washington , D.C.-based Earth Policy Institute , a environmental research organization , told reporters on a conference call .


Question: Relationship: 'require', Argument/Subject 1: 'file', Argument/Subject 2: 'adobe acrobat'

Answer: General Issues : Each published abstract is required to fit on ONE 8.5" x 11 " page and to be transmitted in either Microsoft Word or Adobe Acrobat file type .


Question: Relationship: 'defeat', Argument/Subject 1: 'greek', Argument/Subject 2: 'persian'

Answer:
The Greek fleet later defeated Persians at battle of Salamis .