Task: Question Answering
Input (English): Problem: the volume of the sphere qq is ( dfrac { 37 } { 64 } % ) less than the volume of sphere pp and the volume of sphere rr is ( dfrac { 19 } { 27 } % ) less than that of sphere qq. by what is the surface areaof sphere rr less than the surfacearea of sphere pp ?
Options: ['a. 50 %', 'b. 60 %', 'c. 75 %', 'd. 80 %', 'e. 89 %']
Output (English): c