5638
Following the success of the Soviet winter counteroffensive of December 1941 , the Division was rushed to the Eastern Front as reinforcement and was soon split into several smaller battlegroups urgently needed for defending key localities .
 None
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:
 None