( ( ( ( Adopt and ) maintain ) ( a ( healthy diet ) ) ) . )
(ROOT (S (VP (VB Adopt) (CC and) (VB maintain) (NP (DT a) (JJ healthy) (NN diet))) (. .)))
Adopt and maintain a healthy diet.
(ROOT (S (NP (DT A) (JJ healthy) (NN diet)) (VP (VBZ is) (NP (NP (DT the) (JJS best) (NN way)) (SBAR (S (VP (TO to) (VP (VB maintain) (NP (DT a) (ADJP (JJ strong) (, ,) (JJ fit)) (NN body)))))))) (. .)))