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It seems to have been about 359 BC that he was sent out with a squadron to the Hellespont , where the Athenians hoped that the Euboea n adventurer , Charidemus , the friend of Cephisodotus , would , according to his promise made through the latter , co-operate with him in re-annexing the Thracian Chersonese to their dominion .
 Charidemus, Cephisodotus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Charidemus, Cephisodotus