( ( ( ( The major ) or ) macronutrients ) ( ( include ( carbon ( , ( hydrogen ( , ( oxygen ( , ( nitrogen ( , ( phosphorus ( , ( potassium ( , ( magnesium ( , ( ( sulfur and ) calcium ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ major)) (CC or) (NP (NNS macronutrients))) (VP (VBP include) (NP (NN carbon) (, ,) (NN hydrogen) (, ,) (NN oxygen) (, ,) (NN nitrogen) (, ,) (NN phosphorus) (, ,) (NN potassium) (, ,) (NN magnesium) (, ,) (NN sulfur) (CC and) (NN calcium))) (. .)))
The major or macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, magnesium, sulfur and calcium.
(ROOT (S (NP (NNP Potassium) (, ,) (NNP calcium) (, ,) (CC and) (NNP magnesium)) (VP (VBP are) (VP (VBN considered) (NP (NNS macronutrients)))) (. .)))