201952
After being demonstrated in China in 1935 the prototype was handed over to Generalissimo Chiang Kai-shek as a gift .
 Chiang Kai-shek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chiang Kai-shek