Simplify the following text for a Grade 10 native English-speaking person.
Original: Danni won an Immunity Challenge advantage , and Judd 's wife , Cindy 's twin sister and Stephenie 's boyfriend were permitted to stay overnight at camp .
Simplified: Danni won an Immunity Challenge advantage , and Judd 's wife , Cindy 's twin sister and Stephenie 's boyfriend were allowed to stay overnight at camp .