Task: Question Answering
Input (English): Problem: a teacher grades students ’ tests by subtracting twice the number of incorrect responses from the number of correct responses . if student a answers each of the 100 questions on her test and receives a score of 61 , how many questions did student a answer correctly ? 
Options: a ) 55 , b ) 60 , c ) 73 , d ) 81 , e ) 87
Output (English): e