37771
The Verneuil process allows the production of flawless single-crystal sapphire and ruby gems of much larger size than normally found in nature .
 location: Verneuil
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: Verneuil 
Answer:
 location: Verneuil