10859
The Romans , experts at close-quarter combat , and supported by arrows and bolts from the walls and towers checked the assault and a sortie from one of the gates forced the Persians to withdraw .
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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:
 None