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Bids were received from Alleghany Corporation , Citibank , an employee buyout , Guilford Transportation Industries , Norfolk Southern Railway and a consortium headed by J. Willard Marriott .
 organization: Alleghany Corporation; organization: Citibank; organization: Guilford Transportation Industries; organization: Norfolk Southern Railway; person: J. Willard Marriott
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:
 organization: Alleghany Corporation; organization: Citibank; organization: Guilford Transportation Industries; organization: Norfolk Southern Railway; person: J. Willard Marriott