106515
Taro is consumed as a staple crop in West Africa , particularly in Ghana , Nigeria and Cameroon .
 location: West Africa; location: Ghana; location: Nigeria; location: Cameroon
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: West Africa, Ghana, Nigeria, Cameroon 
Answer:
 location: West Africa; location: Ghana; location: Nigeria; location: Cameroon