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Ghiyasuddin Tarkhan and Amir Shams-ud-din Abbas continued their march for Samarkand while Pir Muhammad made the best of his way to Tabriz in order to assemble the troops of the province and he was shortly afterwards joined at that place by several officers sent by Miran Shah as reinforcements .
 Samarkand, Tabriz, Miran Shah
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Samarkand, Tabriz, Miran Shah