( ( ( humus ( A ( dark ( , ( loamy ( , ( organic material ) ) ) ) ) ) ) ( resulting ( from ( ( the decay ) ( of ( ( plant and ) animal ) ) ) ) ) ) ( refuse . ) )
(ROOT (S (NP (NP (NP (NNS humus)) (NP (DT A) (JJ dark) (, ,) (JJ loamy) (, ,) (JJ organic) (NN material))) (VP (VBG resulting) (PP (IN from) (NP (NP (DT the) (NN decay)) (PP (IN of) (NP (NN plant) (CC and) (NN animal))))))) (VP (VBP refuse)) (. .)))
humus A dark, loamy, organic material resulting from the decay of plant and animal refuse.
(ROOT (S (NP (NP (DT The) (JJ decayed) (NNS remains)) (PP (IN of) (NP (VBG living) (NNS organisms)))) (VP (VBZ is) (VP (VBN called) (NP (NNS humus)))) (. .)))