Answer:
16. "I will recommend you to see a doctor. I'm sure he will help you with your health problems."
17. "You should study hard, so that you can have a better life and help people."
18. "Your parents loves you so much. And in order for you to make them happy, you should honor them."
19. "For the young generation out there, please respect the elderly. So in that way, the next generation after yours will respect elderly too"
20. "One vote is one power. Our future is in our hands, so vote wisely."