344700
On 16 December 2000 at the Sheffield Arena he challenged the reigning champion Panama nian , Mauricio Martinez and suffered a stoppage defeat after only 1 round .
 location: Sheffield; location: Panama
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: Sheffield, Panama 
Answer:
 location: Sheffield; location: Panama