4099
Genesee & Wyoming acquired RailAmerica in December 2012 .
 organization: Genesee & Wyoming; organization: RailAmerica
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: Genesee & Wyoming, RailAmerica 
Answer:
 organization: Genesee & Wyoming; organization: RailAmerica