A factory near Pune automated part of its assembly line, and workplace injury reports fell by 28% over the next year. Management concluded that automation made the factory safer. Which of the following, if true, would most WEAKEN the argument above?

1. AThe same year, the factory also introduced a new safety-training programme and stricter protective-gear enforcement across all sections, not just the automated one.
2. BThe automated equipment was imported from a manufacturer in another state.
3. CThe factory produces goods for both domestic and export markets.
4. DWorkers received a small bonus for completing safety training.

Tap an option to check your answer.