8604
Though the two drove what were clearly the best cars on the grid , their rivalry caused each to deprive the other of points , allowing Alain Prost to win one of the closest and most fiercely disputed championships ever in Formula One .
 person: Alain Prost
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: Alain Prost 
Answer:
 person: Alain Prost