275468
Mostly in order to secure the maritime route from piracy , the Romans organized an expedition under Aelius Gallus in which the port of Aden ( then called Eudaemon ) in southern Arabia was occupied temporarily .
 person: Aelius Gallus; location: Arabia
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: Aelius Gallus, Arabia 
Answer:
 person: Aelius Gallus; location: Arabia