The Dennis Trident 2 is a 2-axle low-floor double-decker bus chassis originally manufactured by Dennis , which was unveiled in 1997 and replaced the Dennis Arrow .
DET PROPN PROPN NUM AUX DET NOUN ADJ ADJ NOUN NOUN ADV VERB ADP PROPN , DET AUX VERB ADP NUM CCONJ VERB DET PROPN PROPN .