79571
In the usual discussion of Lorentz contraction , the rest length is fixed and the moving length shortens as measured in frame .
 person: Lorentz
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: Lorentz 
Answer:
 person: Lorentz