Group C presents a document on good manners. It defines good manners as respecting others and considering their feelings. The Golden Rule of treating others as you want to be treated is given as a good principle. Some tips for encouraging good manners in children include giving rewards to younger kids and consequences for older kids who misbehave. The document also discusses manners at home, school, and making polite conversation. Overall, good manners are about courtesy and kindness towards others.