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Invicta Fighting Championships Invicta Fighting Championships , an all women 's MMA organization , regularly holds contests at this weight and circulates a championship title .
 Invicta Fighting Championships Invicta Fighting Championships
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Invicta Fighting Championships Invicta Fighting Championships