56040
However , his son ( Andronikos IV Palaiologos ) , acting as the regent in Constantinople , rejected the deal possibly because of Genoese pressure .
 person: Andronikos IV Palaiologos; location: Constantinople
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: Andronikos IV Palaiologos, Constantinople 
Answer:
 person: Andronikos IV Palaiologos; location: Constantinople