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A USGS scientist who analyses the remaining oil along the coastline states that it remains among rocks and between tide marks .
 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: USGS 
Answer:
 organization: USGS