( Soil ( ( consists ( of ( ( ( ( ( ( decayed ( organic matter ) ) , ) ( called humus ) ) , ) and ) minerals ) ) ) . ) )
(ROOT (S (NP (NNP Soil)) (VP (VBZ consists) (PP (IN of) (NP (NP (NP (JJ decayed) (JJ organic) (NN matter)) (, ,) (NP (VBN called) (NNS humus)) (, ,)) (CC and) (NP (NNS minerals))))) (. .)))
Soil consists of decayed organic matter, called humus, and minerals.
(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)))) (. .)))