Task: Question Answering
Input (English): Problem: sum of two numbers prime to each other is 8 and their l . c . m . is 15 . what are the numbers ? 
Options: a ) 3 and 5 , b ) 3 and 4 , c ) 4 and 5 , d ) 5 and 10 , e ) 6 and 8
Output (English): a