4540
Among the further fundamental tests he performed the most notable one is his test of a large class of nonlocal realistic theories proposed by Leggett .
 person: Leggett
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Leggett