Which one of the following is a description of functional safety that adheres most closely to what is described in IEC 61508? A risk reduction control that focuses on the management of competency, training, and safe working procedures, and company policy to reduce the risk to 'As Low As Reasonably Practicable (ALARP)'. Manual E/E/PE functions that interacts with pneumatic, hydraulic final elements that actuate into safe state. A semi-automated E/E/PE control measure that sometimes requires human intervention to prevent the consequence. An example of functional safety includes an emergency stop or pull-wires to stop machine. An automated E/E/PE function that also rely on other non-E/E/PE risk reduction measures to detect danger and provides to safe state