13661
" Euphorbia candelabrum " This plant currently has negligible commercial value , although Richard Pankhurst documents two different attempts near Keren in Eritrea to collect its gum before 1935 , but neither attempt proved commercially viable .
 person: Richard Pankhurst; location: Keren; location: Eritrea
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: Richard Pankhurst, Keren, Eritrea 
Answer:
 person: Richard Pankhurst; location: Keren; location: Eritrea