78865
In 1999 , the U.S. Environmental Protection Agency began investigating perfluorinated chemicals after receiving data on the global distribution and toxicity of perfluorooctanesulfonic acid ( PFOS ) .
 organization: U.S. Environmental Protection Agency
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: U.S. Environmental Protection Agency 
Answer:
 organization: U.S. Environmental Protection Agency