Complex sentence: Platform 1 and 2 (island platform) cotains a large red brick building with a waiting room and ticket office inside while platform 3 contains a small red brick building and is not used normally unless there is a disprution on platform 1.
Split into simpler sentences: Platform 1 and 2 (island platform) cotains a large red brick building with a waiting room and ticket office inside. Platform 3 contains a small red brick building and is not used normally unless there is a disprution on platform 1.