5337
Here , " R " = " R " / " h " is the Rydberg constant , in terms of frequency equal to 3.28 x 10 Hz .
 person: Rydberg
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: Rydberg 
Answer:
 person: Rydberg