Whether a government postal service can engage in these kinds of negotiations deserves serious study.
( ( Whether ( ( a ( government ( postal service ) ) ) ( can ( engage ( in ( ( these kinds ) ( of negotiations ) ) ) ) ) ) ) ( ( deserves ( serious study ) ) . ) )
(ROOT (S (SBAR (IN Whether) (S (NP (DT a) (NN government) (JJ postal) (NN service)) (VP (MD can) (VP (VB engage) (PP (IN in) (NP (NP (DT these) (NNS kinds)) (PP (IN of) (NP (NNS negotiations))))))))) (VP (VBZ deserves) (NP (JJ serious) (NN study))) (. .)))
The postal service is very useful.
( ( The ( postal service ) ) ( ( is ( very useful ) ) . ) )
(ROOT (S (NP (DT The) (JJ postal) (NN service)) (VP (VBZ is) (ADJP (RB very) (JJ useful))) (. .)))