Task: Question Answering
Input (English): Problem: in a certain parking lot , 2 % of the cars are towed for parking illegally . however 90 % of the cars which are parked illegally are not towed . what percentage of cars in the parking lot are parked illegally ? 
Options: a ) 10 % , b ) 12 % , c ) 16 % , d ) 18 % , e ) 20 %
Output (English): e