Complex sentence: Techiman is a city with the leading market town in Ghana and is, together with Sunyani, one of the two chief cities of the Brong-Ahafo Region.
Split into simpler sentences: Techiman is a town in the Brong-Ahafo Region of Ghana, and the leading market town in Ghana. It is together with Sunyani, one of the two chief settlements of the Brong-Ahafo Region.