49353
In later years , some were partly made of stone or metal but the trusses were usually still made of wood ; in the United States , there were three styles of trusses , the Queen Post , the Burr Arch and the Town Lattice .
 United States, Queen Post, Burr Arch, Town Lattice
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States, Queen Post, Burr Arch, Town Lattice