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During their return trip from the Pacific Ocean , expedition member John Colter was given an early discharge so he could join two fur trappers who were heading west in search of beaver pelts .
 location: Pacific Ocean; person: John Colter
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: Pacific Ocean, John Colter 
Answer:
 location: Pacific Ocean; person: John Colter