43997
According to the British Nutrition Foundation , trout contain one of the lowest amounts of dioxins ( a type of environmental contaminant ) of all oily fishes .
 organization: British Nutrition Foundation
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: British Nutrition Foundation 
Answer:
 organization: British Nutrition Foundation