has less spice than a rat burger 
(ROOT (S (VP (VBZ has) (NP (NP (JJR less) (NN spice)) (PP (IN than) (NP (DT a) (NN rat) (NN burger)))))))
(ROOT (S (VP (VBZ ) (NP (NP (JJR ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NN )))))))