Complex sentence: Colleen makes a brief one-episode return in 1997, babysitting Rachel McGregor (Kelly Glaister) and encourages Selina Roberts (Tempany Deckert) to contact her mother, Dawn (Kim Deacon).
Split into simpler sentences: Colleen makes a brief one-episode return in 1997, babysitting Rachel McGregor (Kelly Glaister). She also encourages Selina Roberts (Tempany Deckert) to contact her mother, Dawn (Kim Deacon).