7485
During the later stages of the rule of the Chera monarchy in Kerala , Kollam emerged as the focal point of trade and politics .
 person: Chera; location: Kerala; location: Kollam
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Chera; location: Kerala; location: Kollam