A natural consequence is anything that happens naturally, without parental interference. When you forget your coat on a cold day, you will be cold. A logical consequence can be discussed in a family meeting. Rather than rescuing her it is decided that Sally will be hungry if she forgets her responsibility. Children are also extremely resourceful.
Family meetings can start by posting an agenda.
Plan a regular meeting time and be consistent. Sit down as a family with no interruptions. Begin your meeting with compliments. Then address the concern. Start with the person who wrote the concern on the agenda.