Athletes and their official entourages will be limited to the official residences and only allowed to travel between those residences and the training or competition venues. Athletes from 87 countries won medals at those games, giving joy to citizens from small and low-income countries. The Summer Olympics are virtually the only event that truly unites the globe in friendship. Japans official statistics estimates that 29 percent of the country, or about 36.3 million people, is 65 years of age or older. An estimated 3.6 billion people, nearly half of the worlds population, watched the 2016 Olympics held in Rio de Janeiro.
Training and competitions are separate from the chaos that ensues.
( z0 separate :ARG1 ( z1 and :op ( z2 train ) :op ( z3 compete ) ) :ARG2 ( z4 chaos :ARG1-of ( z5 ensue ) ) )
(z0 / separate-01
    :ARG1 (z1 / and
              :op1 (z2 / train-01)
              :op2 (z3 / compete-01))
    :ARG2 (z4 / chaos
              :ARG1-of (z5 / ensue-01)))
Training and competitions are separate from the chaos that ensues .
z1 :op1 z2
z1 :op2 z3
z0 :ARG1 z1
z0 :ARG2 z4
z4 :ARG1-of z5