3857
In October , 1942 Piers commanded escort group C4 ( Restigouche and six corvettes ) which was to escort the slow convoy SC107 , from Sydney , Nova Scotia to Liverpool .
 person: Piers; location: Sydney , Nova Scotia; location: Liverpool
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: Piers, Sydney , Nova Scotia, Liverpool 
Answer:
 person: Piers; location: Sydney , Nova Scotia; location: Liverpool