52791
This species is mostly solitary , although bears may gather in large numbers at major food sources ( e.g. , open garbage dumps or rivers holding spawning salmon ) and form social hierarchies based on age and size .
 animal: salmon
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: salmon 
Answer:
 animal: salmon