Complex sentence: It ran for four seasons from 2001 and was presented by Caroline Morahan as the show that launched her career-she was selected out of an open audition from a crowd of 2000 other people at the RDS in the reality TV series The Selection Box.
Split into simpler sentences: It ran for four seasons from 2001 and was presented by Caroline Morahan. She was selected to present the show from an open audition at the Royal Dublin Society in the reality TV series The Selection Box.