( ( ( The roots ) ( of ( many trees ) ) ) ( ( create ( ( ( a ( symbiotic ( ( -LRB- ( ( mutually beneficial ) -RRB- ) ) relationship ) ) ) ( with ( an ( orange-colored ( sponge-like fungus ) ) ) ) ) ( called mycorrhiza ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS roots)) (PP (IN of) (NP (JJ many) (NNS trees)))) (VP (VBP create) (SBAR (S (NP (NP (DT a) (NNP symbiotic) (PRN (-LRB- -LRB-) (ADJP (RB mutually) (JJ beneficial)) (-RRB- -RRB-)) (NN relationship)) (PP (IN with) (NP (DT an) (JJ orange-colored) (JJ sponge-like) (NN fungus)))) (VP (VBD called) (NP (NN mycorrhiza)))))) (. .)))
The roots of many trees create a symbiotic (mutually beneficial) relationship with an orange-colored sponge-like fungus called mycorrhiza.
(ROOT (S (NP (DT A) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN beneficial) (NN relationship)) (VP (VBZ exists) (SBAR (WHADVP (WRB when)) (S (NP (NP (DT a) (JJ certain) (NN type)) (PP (IN of) (NP (NP (NN tree) (POS 's)) (NNS roots)))) (VP (VBP need) (S (NP (DT a) (NN fungus)) (VP (VB present) (SBAR (IN in) (NN order) (S (VP (TO to) (VP (VB grow) (ADVP (RB normally)))))))))))) (. .)))
A(n) beneficial relationship exists when a certain type of tree’s roots need a fungus present in order to grow normally.