Carl Smith collided with a concrete lamp-post while skating and suffered a skull fracture that caused a coma. When he failed to regain consciousness, his parents on August 8 consented to his life support machine being turned off.
Carl's parents consented to his life support machine being turned off because he did not regain consciousness.
( z1 consent :ARG0 ( z2 person :ARG0-of ( z3 have-rel-role :ARG1 ( z4 person :name ( z5 name :op "Carl" ) ) :ARG2 ( z6 parent ) ) ) :ARG1 ( z7 turn-off :ARG1 ( z8 machine :ARG0-of ( z9 support :ARG1 ( z10 life :poss z4 ) ) ) ) :ARG1-of ( z11 cause :ARG0 ( z12 regain :polarity - :ARG0 z4 :ARG1 ( z13 consciousness ) ) ) )