"Why is there a user manual for the old dumb terminal OPACs out for public use in Helminthdale Lending?"
"Excellent question. Those OPACs were removed a couple of years ago."
"I'm going to remove it."
"I can't understand the point of having it out there."
"Let's not have it happen again."
From the above conversation try to work out which of us is responsible for Helminthdale Lending Library.