9889
Let be a basis of sections of consisting of left-invariant vector fields , and be the dual basis of sections of such that " δ " , the Kronecker delta .
 person: Kronecker
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Kronecker