( Also ( , ( trees ( ( take ( about ( this ( time ( to ( grow fully ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Also)) (, ,) (NP (NNS trees)) (VP (VBP take) (PP (IN about) (NP (DT this) (NN time) (S (VP (TO to) (VP (VB grow) (ADVP (RB fully)))))))) (. .)))
Also, trees take about this time to grow fully.
(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)))))) (. .)))