81627
The structure is composed of a four-story U-shaped arms block , which frames a quad-side court , and is attached to a rear eight-story tower that incorporates a 30,000-gallon water tank .
 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