sio dhana , lakini ni ya thamani nzuri na ya haraka na isiyo na matatizo .####[['NULL', 'LAPTOP#DESIGN_FEATURES', 'neutral'], ['NULL', 'LAPTOP#OPERATION_PERFORMANCE', 'positive'], ['NULL', 'LAPTOP#OPERATION_PERFORMANCE', 'positive'], ['NULL', 'LAPTOP#OPERATION_PERFORMANCE', 'positive']]