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.
A machine had been keeping Carl Smith alive.
( z1 keep :ARG0 ( z2 machine ) :ARG1 ( z3 live :ARG0 ( z4 person :name ( z5 name :op "Carl" :op "Smith" ) ) ) )