Talk about the deceased person. Listen to what they have to say. Connect with them on a mutual level
It strengthens your bones to be able to handle large amounts of pressure and weight on your body. I know this isn't related, but when a person breaks their ankle or something else they tend to heal quicker because they're athletes. So one way or another, increasing strength, helps to increase your capacity for exercising.
I would say b., mostly because it is good to have them know why they need to act in such a manner not just the "style" of which the behavior is being done. Sometimes it is difficult for them to refine their behaviors, but it can produce progress