Task: Question Answering
Input (English): Problem: thin rectangular slab of potato was cut into two pieces for an osmosis lab . one piece is 50 mm greater than the other . if the original uncut slab is 600 mm , what is the length of the other piece of the potato after it is cut . 
Options: ['a ) 550', 'b ) 275', 'c ) 50', 'd ) 300', 'e ) 250']
Output (English): b