Complex sentence: The NIR coaches were withdrawn on 19 January 2005, but they have recently been re-introduced to provide extra capacity on the Portadown to Belfast (Central) service, making one trip every morning.
Split into simpler sentences: The NIR coaches were withdrawn on 19 January 2005. They have recently been reintroduced to provide extra capacity on the Portadown to Belfast (Central) service, making one trip every morning.