5504
In 1865 , Gregor Mendel reported that traits were inherited in a predictable manner through the independent assortment and segregation of elements ( later known as genes ) .
 person: Gregor Mendel
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: Gregor Mendel 
Answer:
 person: Gregor Mendel