Russia boasts of developing a number of 'invincible' weapons that surpass existing systems and include Sarmat intercontinental missiles and Burevestnik cruise missiles. 'The range of the flight reached 450 kilometres [280 miles], maximum altitude 28 kilometres [17 miles], the duration of the flight was 4.5 minutes. A year later, the group staged a guerrilla performance inside Moscow's Cathedral of Christ the Saviour. Meanwhile, the Russian military celebrated Putin's birthday by testing The Zircon - or Tsirkon - missile. Their stunt came as the Russian military staged its own birthday present for Putin with a 'successful' test launch of his new-age 6,000 mph hypersonic Zircon missile.
A year later, the group staged a guerrilla performed some sort of birthday stunt.
( z0 stage :ARG0 ( z1 group ) :ARG1 ( z2 guerrilla :ARG0-of ( z3 perform :ARG1 ( z4 stunt :mod ( z5 birthday ) :mod ( z6 sort :mod ( z7 some ) ) ) ) ) :time ( z8 after :quant ( z9 temporal-quantity :quant 1 :unit ( z10 year ) ) ) )
(z0 / stage-01
    :ARG0 (z1 / group)
    :ARG1 (z2 / guerrilla
              :ARG0-of (z3 / perform-02
                           :ARG1 (z4 / stunt
                                     :mod (z5 / birthday)
                                     :mod (z6 / sort
                                              :mod (z7 / some)))))
    :time (z8 / after
              :quant (z9 / temporal-quantity
                         :quant 1
                         :unit (z10 / year))))
A year later , the group staged a guerrilla performed some sort of birthday stunt .
z9 :quant 0
z9 :unit z10
z8 :quant z9
z0 :ARG0 z1
z0 :time z8
z0 :ARG1 z2
z2 :ARG0-of z3
z6 :mod z7
z4 :mod z5
z4 :mod z6
z3 :ARG1 z4