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In April 1945 , Karl Körner was a platoon commander in the 2nd Company , 503 SS Heavy Panzer Battalion acting in support of an infantry attack in the area of Bollersdorf to the east of Berlin , during the attack he located two JS II tanks .
 person: Karl Körner; organization: 503 SS Heavy Panzer Battalion; location: Berlin
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: Karl Körner; organization: 503 SS Heavy Panzer Battalion; location: Berlin