( It ( ( is ( important ( to ( ( recognize ( the ( critical role ) ) ) ( that ( mushrooms ( play ( in ( ( ( breaking down ) ( dead ( organic ( matter ( and ( recycling nutrients ) ) ) ) ) ) ( in ( the environment ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ important) (S (VP (TO to) (VP (VB recognize) (NP (DT the) (JJ critical) (NN role)) (SBAR (IN that) (S (NP (NNS mushrooms)) (VP (VBP play) (PP (IN in) (S (VP (VBG breaking) (PRT (RP down)) (NP (JJ dead) (JJ organic) (NN matter) (CC and) (NN recycling) (NNS nutrients)) (PP (IN in) (NP (DT the) (NN environment)))))))))))))) (. .)))
It is important to recognize the critical role that mushrooms play in breaking down dead organic matter and recycling nutrients in the environment.
(ROOT (S (NP (NP (DT A) (NN role)) (PP (IN of) (NP (NP (NNS mushrooms)) (PP (IN in) (NP (NNS ecosystems)))))) (VP (VBZ is) (VP (VBG breaking) (PRT (RP down)) (NP (JJ dead) (NN plant) (NN material)))) (. .)))