question: Pumped-storage hydroelectricity stores energy in what form ?
answer: water pumped when energy is available from a lower elevation reservoir to a higher elevation one
turker_answer: Pumped-storage hydroelectricity stores water pumped when energy is available from a lower elevation reservoir to a higher elevation reservoir .
rule-based: Pumped-storage hydroelectricity stores energy in water pumped when energy is available from a lower elevation reservoir to a higher elevation one .