Task: Question Answering
Input (English): Problem: after an ice began to melt out from the freezer , in the first hour lost 3 / 4 , in the second hour lost 3 / 4 of its remaining . if after two hours , the volume is 0.4 cubic inches , what is the original volume of the cubic ice , in cubic inches ? 
Options: ['a ) 2.5', 'b ) 3.0', 'c ) 4.0', 'd ) 6.4', 'e ) 8.0']
Output (English): d