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A shift in the terminology used to describe Sarmatian weapons indicates the kontos was developed in the early-mid 1st century AD from shorter spear - type weapons ( which were described using the generic terms for " spear " – longche or hasta – by Greek and Roman sources , respectively ) , though such a description may have existed before the Battle of Carrhae , in which Parthian cataphracts , in conjunction with light horse archers , annihilated a Roman army of over three times their numbers .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None