Tracking down the tiger is a subtle affair, and requires a degree of dedication, calm, and stealth.
( ( ( Tracking down ) ( the tiger ) ) ( ( ( ( ( is ( a ( subtle affair ) ) ) , ) and ) ( requires ( ( a degree ) ( of ( ( ( ( ( dedication , ) calm ) , ) and ) stealth ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Tracking) (PRT (RP down)) (NP (DT the) (NN tiger)))) (VP (VP (VBZ is) (NP (DT a) (JJ subtle) (NN affair))) (, ,) (CC and) (VP (VBZ requires) (NP (NP (DT a) (NN degree)) (PP (IN of) (NP (NP (NN dedication)) (, ,) (NP (NN calm)) (, ,) (CC and) (NP (NN stealth))))))) (. .)))
You must be very silent when tracking tigers.
( You ( ( must ( ( be ( very silent ) ) ( when ( tracking tigers ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (MD must) (VP (VB be) (ADJP (RB very) (JJ silent)) (SBAR (WHADVP (WRB when)) (S (VP (VBG tracking) (NP (NNS tigers))))))) (. .)))