5400
In 1974 , four water buffaloes were imported to the United States from Guam to be studied at the University of Florida .
 location: United States; location: Guam; organization: University of Florida
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:
 location: United States; location: Guam; organization: University of Florida