( ( ( ( ( These plants ) , ) ( which ( include ( ( a variety ) ( of ( ( orchids and ) ferns ) ) ) ) ) ) , ) ( ( ( ( make ( up much ) ) ( of ( ( ( the understory ) , ) ( ( the layer ) ( of ( the ( rainforest right ) ) ) ) ) ) ) ( below ( the canopy ) ) ) . ) )
(ROOT (S (NP (NP (DT These) (NNS plants)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP include) (NP (NP (DT a) (NN variety)) (PP (IN of) (NP (NNS orchids) (CC and) (NNS ferns))))))) (, ,)) (VP (VBP make) (ADVP (RB up) (RB much)) (PP (IN of) (NP (NP (DT the) (NN understory)) (, ,) (NP (NP (DT the) (NN layer)) (PP (IN of) (NP (DT the) (JJ rainforest) (NN right)))))) (PP (IN below) (NP (DT the) (NN canopy)))) (. .)))
These plants, which include a variety of orchids and ferns, make up much of the understory , the layer of the rainforest right below the canopy.
(ROOT (S (NP (NP (DT The) (NN understory)) (PP (IN of) (NP (DT the) (NN rainforest)))) (ADVP (RB commonly)) (VP (VBZ has) (NP (NP (NNS ferns)) (CC and) (NP (JJ other) (NN ground) (NNS plants)))) (. .)))