question: How much would global sea levels rise if Greenland and Antartica 's glaciers were to melt ?
answer: 70 m ( 230 ft )
turker_answer: Global sea levels would rise 70 m ( 230 ft ) if Greenland and Antartica 's glaciers were to melt .
rule-based: Global sea levels would rise 70 m ( 230 ft ) if Greenland and Antartica 's glaciers were to melt .