116109
On February 23 , 1917 , the Russian advance was halted following the Russian Revolution , and later the disintegrated Russian Caucasus Army was replaced by the forces of the newly established Armenian state , comprised from the previous Armenian volunteer units and the Armenian irregular units .
 Russian Caucasus Army, Armenian, Armenian volunteer units, Armenian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Russian Caucasus Army, Armenian, Armenian volunteer units, Armenian