( ( Hydrochloric ( Acid ( Hydrogen chloride ) ) ) ( ( is ( a ( covalent molecule ) ) ) . ) )
(ROOT (S (NP (NNP Hydrochloric) (NNP Acid) (NNP Hydrogen) (NNP chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN molecule))) (. .)))
Hydrochloric Acid Hydrogen chloride is a covalent molecule.
(ROOT (S (NP (NN Hydrogen) (NN chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN compound))) (. .)))