4127
At the start of the 2014 – 15 season , he began being used by manager Walter Mazzarri as a second striker .
 person: Walter Mazzarri
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: Walter Mazzarri 
Answer:
 person: Walter Mazzarri