( It ( ( takes ( a ( long ( time ( to ( grow ( ( a foot ) ( long beard ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (DT a) (JJ long) (NN time) (S (VP (TO to) (VP (VB grow) (S (NP (DT a) (NN foot)) (ADJP (RB long) (JJ beard)))))))) (. .)))
It takes a long time to grow a foot long beard.
(ROOT (S (NP (NP (DT An) (NN acorn)) (VP (VBG growing) (PP (IN into) (NP (DT an) (JJ adult) (NN tree))))) (VP (MD will) (VP (VB take) (NP (DT the) (JJS longest) (NN time)) (S (VP (TO to) (VP (VB observe)))))) (. .)))