9278
The caustic , in the first case , resembles the sign > ( greater than ) ; in the second and the theory was developed by Allvar Gullstrand .
 person: Allvar Gullstrand
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: Allvar Gullstrand 
Answer:
 person: Allvar Gullstrand