1611
Other writers , such as Ammianus Marcellinus and Tacitus , mentioned Celtic women inciting , participating in , and leading battles .
 person: Ammianus Marcellinus; person: Tacitus
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: Ammianus Marcellinus, Tacitus 
Answer:
 person: Ammianus Marcellinus; person: Tacitus