Complex sentence: On National Train Day in May 2013, NS premiered a new ad series, using music adapted from "Conjunction Junction" from ABC's School House Rock series and showing an overhead view of Inman Rail Yard in Atlanta.
Split into simpler sentences: On National Train Day in May 2013, NS premiered a new ad series, using music adapted from "Conjunction Junction" from ABC's School House Rock series. The video shows an overhead view of Inman Rail Yard in Atlanta.