804
A fifth volume , which brought the timeline up to 1957 , was briefly issued during the leadership of Hua Guofeng , but subsequently withdrawn from circulation for its perceived ideological errors .
 person: Hua Guofeng
Please list all entity words in the text that fit the category.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} 
Answer:
 person: Hua Guofeng