Ann rooms with Helen. Marie rooms with both of them. They are sophomores from Natchez. They live in off-campus housing. They live there during the semester.(single sentence)

Ann rooms with Helen. Marie rooms with both of them. They are sophomores from Natchez. They live in off-campus housing. They live there during the semester.(single sentence)

Ann, Helen and Marie are sophomores from Natchez who live in off-campus housing together during the semester.