4680
The 1,570 " cc " Alfa Romeo Twin Cam " inline-four engine produced at 6,000 " rpm , for a top speed of .
 instrument: Alfa Romeo Twin Cam
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: Alfa Romeo Twin Cam 
Answer:
 instrument: Alfa Romeo Twin Cam