Complex sentence: Oasis was a short lived CITV drama series which was about a children who ran an inner city farm its best known for featuring John Simm and Dean Gaffney, who later went on to be in the BBC soap Eastenders.
Split into simpler sentences: Oasis was a short lived CITV drama series which was about a group of children who ran an inner city farm. It's best known for featuring John Simm and Dean Gaffney, who later went on to be in the BBC soap Eastenders.