77667
The heads were carved from single blocks or boulders of volcanic basalt , found in the Sierra de los Tuxtlas .
 location: Sierra de los Tuxtlas
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: Sierra de los Tuxtlas 
Answer:
 location: Sierra de los Tuxtlas