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Alexander sent Androsthenes down the Euphrates to explore the Arabian coast , skirting the coast of Arabia in a triacontor and sailing farther than Archias of Pella .
 Androsthenes, Archias of Pella
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Androsthenes, Archias of Pella