Task: Question Answering
Input (English): Problem: you have to send 3000 grapes 1000 kilometers from grapecity to appleland . your truck can carry 1000 grapes at a time . every time you travel a kilometer towards appleland you must pay a tax of 1 grape but you pay nothing when going in the other direction ( towards grapecity ) . what is highest number of grapes you can get to appleland ? 
Options: a ) 833 , b ) 765 , c ) 665 , d ) 679 , e ) 874
Output (English): a