5173
Most subsequent prototypes were known by 'M ' codes , as the later prototypes of the Heinkel He 162 were .
 vehicle: Heinkel He 162
Please list all entity words in the text that fit the category.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} 
Answer:
 vehicle: Heinkel He 162