( ( ( This type ) ( of relationship ) ) ( ( ( is not ) ( beneficial ( for ( ( ( the buyer ) or ) ( the seller ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT This) (NN type)) (PP (IN of) (NP (NN relationship)))) (VP (VBZ is) (RB not) (ADJP (JJ beneficial) (PP (IN for) (NP (NP (DT the) (NN buyer)) (CC or) (NP (DT the) (NN seller)))))) (. .)))
This type of relationship is not beneficial for the buyer or the seller.
(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.