53559
Some examples , invented for the purpose of illustrating the concept of analog computation , include using a bundle of spaghetti as a model of sorting numbers ; a board , a set of nails , and a rubber band as a model of finding the convex hull of a set of points ; and strings tied together as a model of finding the shortest path in a network .
 spaghetti
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 spaghetti