( ( this ( covalent compound ) ) ( ( is ( immiscible ( with water ) ) ) . ) )
(ROOT (S (NP (DT this) (NN covalent) (NN compound)) (VP (VBZ is) (ADJP (JJ immiscible) (PP (IN with) (NP (NN water))))) (. .)))
this covalent compound is immiscible with water.
(ROOT (S (NP (NN Hydrogen) (NN chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN compound))) (. .)))