Task: Question Answering
Input (English): Problem: of the land owned by a farmer , 90 percent was cleared for planting . of the cleared land , 10 percent was planted with grapes and 80 percent of the cleared land was planted with potato . if the remaining 450 acres of cleared land was planted with tomato , how many acres did the farmer own ? 
Options: a ) 3500 , b ) 4500 , c ) 5500 , d ) 5250 , e ) 5000
Output (English): e