7055
A Bessel filter ( not shown ) has an even poorer transition in the frequency domain , but maintains the best phase fidelity of a waveform .
 person: Bessel
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: Bessel 
Answer:
 person: Bessel