381234
In this method , a design is carved in the skin of a fresh gourd , after which the gourd is filled with dye or other liquid coloring agent which , allowed to remain in the gourd for several weeks , changes the color of the uncarved portions of the surface of the gourd where its skin has remained intact .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None