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))) (. .)))
It is already certain that the postal service can engage in these negotiations.
( It ( ( ( ( is already ) certain ) ( that ( ( the ( postal service ) ) ( can ( engage ( in ( these negotiations ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADVP (RB already)) (ADJP (JJ certain)) (SBAR (IN that) (S (NP (DT the) (JJ postal) (NN service)) (VP (MD can) (VP (VB engage) (PP (IN in) (NP (DT these) (NNS negotiations)))))))) (. .)))