69338
Carriers among the Ainu may reflect a certain degree of unidirectional genetic influence from the Nivkhs , a traditionally nomadic people of northern Sakhalin and the adjacent mainland , with whom the Ainu have long-standing cultural interactions .
 location: Sakhalin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Sakhalin 
Answer:
 location: Sakhalin