Complex sentence: The four teen finalists, Bailey, Franco, Jimboy, and Ylona, returned on Day 99, but will not compete with the regular housemates at this point, but they were involved in the nomination process on Day 113.
Split into simpler sentences: The four teen finalists, Bailey, Franco, Jimboy, and Ylona, returned on Day 99, but will not compete with the regular housemates at this point. However, they were involved in the nomination process on Day 113.