103381
It was often used in much the same manner as its four-axle counterpart , the ALCO RS-1 , though the six-motor design allowed better tractive effort at lower speeds , as well as a lower weight-per-axle .
 vehicle: ALCO RS-1
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: ALCO RS-1 
Answer:
 vehicle: ALCO RS-1