24288
Like those found elsewhere on Okinawa , but not on mainland Japan , the cemeteries were composed of only a few plots ; they consisted of mausoleums made of large , gray slabs of stone with rounded roofs resembling a turtle 's shell .
 location contains: Japan, Okinawa
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 location contains: Japan, Okinawa