Sound Engineer<br>Tom was a sound engineer. And it was his first day of work. He had to set up speakers for a night club. But they constantly made harsh screeching noises. After everyone left the nightclub in anger, Tom was fired.
Tom did not correctly hook up the speakers.
( z1 hook-up :polarity - :ARG0 ( z2 person :name ( z3 name :op "Tom" ) ) :ARG1 ( z4 speaker ) :ARG1-of ( z5 correct ) )