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.
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Question: Sentence: 'Plotinus Egyptian-born founder of Neoplatonism , who synthesized the ideas of Plato and other Greek philosophers .', Argument/Subject 1: 'plotinus', Argument/Subject 2: 'neoplatonism'

Answer: be founder of


Question: Sentence: 'October birthstone , Pink Tourmaline set in 14K yellow frame with 14K rose , 14K white and 18K yellow gold .', Argument/Subject 1: 'tourmaline', Argument/Subject 2: 'october'

Answer: be birthstone of


Question: Sentence: 'Paper presented at the European Peace Science Conference , Amsterdam , June 9-11 2004 .', Argument/Subject 1: 'paper', Argument/Subject 2: 'june'

Answer:
present at