Blaring sirens and horrendous crime.
( ( Blaring ( ( sirens and ) ( horrendous crime ) ) ) . )
(ROOT (S (VP (VBG Blaring) (NP (NP (NNS sirens)) (CC and) (NP (JJ horrendous) (NN crime)))) (. .)))
Loud sirens and terrible crime.
( ( ( ( Loud sirens ) and ) ( terrible crime ) ) . )
(ROOT (NP (NP (NP (JJ Loud) (NNS sirens)) (CC and) (NP (JJ terrible) (NN crime))) (. .)))