6977
Its two most common isotopes Cm and Cm are strong alpha emitters ( energy 6 " MeV ) ; they have relatively short half-lives of 162.8 days and 18.1 years , and produce as much as 120 W / g and 3 W / g of thermal energy , respectively .
 location: Cm; location: Cm
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: Cm, Cm 
Answer:
 location: Cm; location: Cm