Task: Question Answering
Input (English): Problem: there are two cubes with ratio between volume is 125 : 64 . then what is the value of length of each cube ? 
Options: ['a ) 25 : 16', 'b ) 16 : 25', 'c ) 4 : 5', 'd ) 5 : 4', 'e ) 150 : 96']
Output (English): d