Task: Question Answering
Input (English): Problem: two numbers are in the ratio 5 : 8 and thier h . c . f is 4 . find the numbers . 
Options: a ) 25 and 40 , b ) 20 and 32 , c ) 30 and 48 , d ) 15 and 24 , e ) 16 and 25
Output (English): b