Complex sentence: The Kelani Valley Railway Line, in Sri Lanka, covering the breadth of Colombo District and some parts of Kegalla and Ratnapura Districts is owned, maintained, and operated by the Sri Lanka Railways.
Split into simpler sentences: The Kelani Valley Railway Line, in Sri Lanka, covering the breadth of Colombo District and some parts of Kegalla and Ratnapura Districts. The line is owned, maintained, and operated by Sri Lanka Railways.