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The Rayleigh–Jeans law , another approach to the problem , agreed with experimental results at low frequencies , but created what was later known as the " ultraviolet catastrophe " at high frequencies .
 person: Rayleigh–Jeans
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: Rayleigh–Jeans 
Answer:
 person: Rayleigh–Jeans