( ( The ( two plants ) ) ( ( ( will then ) ( grow together ) ) . ) )
(ROOT (S (NP (DT The) (CD two) (NNS plants)) (VP (MD will) (RB then) (VP (VB grow) (ADVP (RB together)))) (. .)))
The two plants will then grow together.
(ROOT (S (NP (NP (VBG Growing)) (CC and) (NP (NN reproducing))) (VP (VBP occur) (PP (IN in) (NP (DT both) (NNS plants) (CC and) (NNS humans)))) (. .)))
Growing and reproducing occur in both plants and humans.