301397
Service Record 1st Patrol Following training exercises with the 4th U-boat Flotilla from 9 September 1941 to 31 January 1942 , U-162 began her first war patrol as the lead boat of the 2nd U-boat Flotilla on 1 February 1942 .
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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:  
Answer:
 None