4906
Alternatively , in East Africa , where production is typically on large estates , the leaves are transported to a central decortication plant , where water is used to wash away the waste parts of the leaf .
 location: East Africa
Please list all entity words in the text that fit the category.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} 
Answer:
 location: East Africa