29675
It was built by Arrow Dynamics in 1969 , which made it the park 's first roller coaster and the last junior mine train made by Arrow Dynamics .
 organization: Arrow Dynamics; organization: Arrow Dynamics
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: Arrow Dynamics, Arrow Dynamics 
Answer:
 organization: Arrow Dynamics; organization: Arrow Dynamics