Piccadilly Tube station.
( Piccadilly ( ( Tube station ) . ) )
(ROOT (S (ADVP (RB Piccadilly)) (VP (VB Tube) (NP (NN station))) (. .)))
Piccadilly Circus station. 
( ( ( Piccadilly Circus ) station ) . )
(ROOT (NP (NP (NNP Piccadilly) (NNP Circus)) (NP (NN station)) (. .)))