Task: Question Answering
Input (English): Problem: sum of two numbers prime to each other is 12 and their l . c . m . is 35 . what are the numbers ? 
Options: a ) 8 and 4 , b ) 7 and 5 , c ) 6 and 5 , d ) 8 and 5 , e ) 6 and 5
Output (English): b