Task: Question Answering
Input (English): Problem: what is the value of : - 9 ^ 7 + 9 ^ 9 ? 
Options: a ) 9 ^ 2 , b ) - 18 ^ 16 , c ) 63 ( 9 ^ 7 ) , d ) - 80 ( 9 ^ 7 ) , e ) 80 ( 9 ^ 7 )
Output (English): e