33144
where " h " is Planck 's constant , and " f " is the frequency of the photon .
 person: Planck
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: Planck 
Answer:
 person: Planck