( ( ( A compound ) ( with ( polar ( covalent bonds ) ) ) ) ( ( will ( ( hydrogen bond ) ( to ( ( another compound ) ( with ( polar ( covalent bonds ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN compound)) (PP (IN with) (NP (JJ polar) (NN covalent) (NNS bonds)))) (VP (MD will) (VP (VB hydrogen) (NP (NN bond)) (PP (TO to) (NP (NP (DT another) (NN compound)) (PP (IN with) (NP (JJ polar) (NN covalent) (NNS bonds))))))) (. .)))
A compound with polar covalent bonds will hydrogen bond to another compound with polar covalent bonds.
(ROOT (S (NP (NN Hydrogen) (NN chloride)) (VP (VBZ is) (NP (DT a) (JJ covalent) (NN compound))) (. .)))