7859
Their original aim was to help the army , notably by opening a Suez Canal , mapping out roads and building mills to supply food .
 location: Suez Canal
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: Suez Canal 
Answer:
 location: Suez Canal