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Later , a 3rd Line was formed to act as a reserve , providing trained replacements for the 1st and 2nd Line regiments .
 organization: 3rd; organization: 1st
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:
 organization: 3rd; organization: 1st