115863
Images showing a triangle control frame on Otto Lilienthal 's 1892 hang glider shows that the technology of such frames has existed since the early design of gliders , but he did not mention it in his patents .
 person: Otto Lilienthal
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: Otto Lilienthal 
Answer:
 person: Otto Lilienthal