You maynot alter or remove any trademark, copyright or other notice from copies ofthe content. If you don't have a mask on, you hadbetter be actively chewing, otherwise prepare for a steep fine and thepossibility of never flying again. Do they actually mean it when they say it though? Are you worried about the effects ofthis? You'vebeen empowered.
copyright year is the first year of empire.
( z0 year :domain ( z1 year :time-of ( z2 copyright ) ) :ord ( z3 ordinal-entity :value 1 ) :time-of ( z4 empire ) )
(z0 / year
    :domain (z1 / year
                :time-of (z2 / copyright-01))
    :ord (z3 / ordinal-entity
             :value 1)
    :time-of (z4 / empire))
copyright year is the first year of empire .
z1 :time-of z2
z3 :value 0
z0 :ord z3
z0 :domain z1
z0 :time-of z4