92283
On early 20th century and older orthochromatic ( blue-sensitive ) photographic film , the relative brightnesses of the blue supergiant Rigel and the red supergiant Betelgeuse irregular variable star ( at maximum ) are reversed compared to what human eyes perceive , because this archaic film is more sensitive to blue light than it is to red light .
 location: Rigel; location: Betelgeuse
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: Rigel, Betelgeuse 
Answer:
 location: Rigel; location: Betelgeuse