13781
There are hundreds of stream s or places named Mud Creek , 881 of which are in the United States , according to the USGS GNIS .
 location: United States; organization: USGS
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: United States, USGS 
Answer:
 location: United States; organization: USGS