Complex sentence: Folk dances are dances that are developed by people that reflect the life of the people of a certain country ordances are folk dances; for example, ritual dances or dances of ritual origin are not considered to be folk dances.
Split into simpler sentences: Folk dances are dances that are developed by people that reflect the life of the people of a certain country or region. Not all ethnic dances are folk dances; for example, ritual dances or dances of ritual origin are not considered to be folk dances.