56038
The Kurzweil K250 , first produced in 1983 , was also a successful polyphonic digital music synthesizer , noted for its ability to reproduce several instruments synchronously and having a velocity-sensitive keyboard .
 instrument: Kurzweil K250
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: Kurzweil K250 
Answer:
 instrument: Kurzweil K250