42495
" Procerusternarchus pixuna " is a species of bluntnose knifefish endemic to Amazonas , Brazil where it occurs in several tributaries of the Rio Negro .
 location: Amazonas; location: Brazil; location: Rio Negro
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: Amazonas, Brazil, Rio Negro 
Answer:
 location: Amazonas; location: Brazil; location: Rio Negro