36970
The gray allotrope of selenium is made from spirals on selenium atoms , while one of the red allotropes is made of stacks of selenium rings ( Se ) .
 location: Se
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: Se 
Answer:
 location: Se