6073
A thin trickle of voters began casting their ballots in this northern port city for the five rival lists of candidates as polling stations opened at 7 a.m. ( 0400 gmt ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities:  
Answer:
 None