4731
As commanding officer of the , he carried the diplomat Edmund Roberts to Siam in March , and Muscat in September 1833 , where Roberts negotiated treaties of amity and commerce with King Rama III and Sultan Said bin Sultan respectively .
 location: Siam; location: Muscat; person: King Rama III; person: Sultan Said bin Sultan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Siam; location: Muscat; person: King Rama III; person: Sultan Said bin Sultan