question: How do hydraulic elevators work in emergencies ?
answer: emergency power will lower the elevators to the lowest landing and open the doors to allow passengers to exit
turker_answer: Hydraulic elevators work in emergencies by using emergency power to lower the elevators to the lowest landing and open the doors to allow passengers to exit .
rule-based: Hydraulic elevators work in emergencies by emergency power will lower the elevators to the lowest landing and open the doors to allow passengers to exit .