17480
In 1816 , François Magendie discovered that dogs fed only carbohydrates ( sugar ) , fat ( olive oil ) , and water died evidently of starvation , but dogs also fed protein survived - identifying protein as an essential dietary component .
 person: François Magendie
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: François Magendie 
Answer:
 person: François Magendie