( ( ( The Bonds ) ( of Life ) ) ( There ( ( are ( ( ( ( three ( major types ) ) ( of ( chemical bonds ) ) ) -- ) ( covalent ( , ( ( ionic and ) hydrogen ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NNS Bonds)) (PP (IN of) (NP (NNP Life)))) (ADVP (RB There)) (VP (VBP are) (NP (NP (NP (CD three) (JJ major) (NNS types)) (PP (IN of) (NP (NN chemical) (NNS bonds)))) (: --) (NP (NN covalent) (, ,) (NN ionic) (CC and) (NN hydrogen)))) (. .)))
The Bonds of Life There are three major types of chemical bonds--covalent, ionic and hydrogen.
(ROOT (S (NP (NN Hydrogen) (NN chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN compound))) (. .)))