31200
Rommel 's ( and Guderian 's ) successes and the new possibilities offered by the new tank arm were welcomed by a small number of generals , but worried and paralysed the rest .
 person: Rommel; person: Guderian
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: Rommel, Guderian 
Answer:
 person: Rommel; person: Guderian