A plating company that dumped thousands of gallons of cyanide-laced waste water into the Los Angeles sewer system pleaded guilty.
There is cyanide-laced waste in the Los Angeles sewer system.
( z1 waste :ARG1-of ( z2 line :ARG2 ( z3 cyanide ) ) :location ( z4 system :mod ( z5 sewer ) :mod ( z6 city :name ( z7 name :op "Los" :op "Angeles" ) ) ) )