 
 <prompt> Which one dey get longer maintenance periods, residential elevators or commercial elevators? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: "A residential elevator fit dey cost less and no too complex like full commercial elevators. E fit get unique design wey dey suit home furniture, like wooden shaft-access doors wey fit hinge instead of the metal sliding doors wey commercial elevators dey use. Construction fit no too strong like for commercial designs and maintenance fit dey shorter, but safety systems like locks for shaft access doors, fall arrestors, and emergency phones must still dey present in case of any wahala." 