52597
The concept of a highly mobile and protected fighting unit has been around for centuries ; from Hannibal 's war elephants to Leonardo 's contraptions , military strategists endeavoured to maximize the mobility and survivability of their soldiers .
 person: Hannibal; person: Leonardo
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Hannibal, Leonardo 
Answer:
 person: Hannibal; person: Leonardo