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.
--------
Question: Sentence: 'The sages of the years have been intrigued with the great and wonderful works of God .', Argument/Subject 1: 'great', Argument/Subject 2: 'god'

Answer: be work of


Question: Sentence: 'Emerald is the birthstone for May and is known for being the 20th and 35th wedding anniversary gemstone .', Argument/Subject 1: 'emerald', Argument/Subject 2: 'may'

Answer: be birthstone of


Question: Sentence: 'Helmut Panke has been Chairman of the Board of Management of BMW AG , Munich , since May 2002 .', Argument/Subject 1: 'board', Argument/Subject 2: 'chairman'

Answer:
have