666
Natural rubber latex contains several conformational epitopes located on several enzymes such as " Hev b 1 " , " Hev b 2 " , " Hev b 4 " , " Hev b 5 " and " Hev b 6.02 " .
 location: Hev; location: Hev
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: Hev, Hev 
Answer:
 location: Hev; location: Hev