sentence: On the other hand , to someone who did not have these when they were younger and more active , such as grandmothers and grandfathers , the new devices are just things that they can not use or understand .
modified: On the other hand , to someone who did not have these when they were more young and active , such as grandmothers and grandfathers , the new instruments are just things that they can not use nor understand .
transformation: ADJ, ADV, NOUN, CONJ