a light ( yet unsentimental ) touch 
(ROOT (NP (DT a) (ADJP (NN light) (-LRB- -LRB-) (CC yet) (JJ unsentimental) (-RRB- -RRB-)) (NN touch)))
(ROOT (NP (DT ) (ADJP (NN ) (-LRB- ) (CC ) (JJ ) (-RRB- )) (NN )))