( ( Because ( water ( is ( a ( polar molecule ) ) ) ) ) ( , ( ( water molecules ) ( ( are ( ( hydrogen bonded ) ( to ( each other ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Because) (S (NP (NN water)) (VP (VBZ is) (NP (DT a) (JJ polar) (NN molecule))))) (, ,) (NP (NN water) (NNS molecules)) (VP (VBP are) (NP (NP (NN hydrogen) (NNS bonded)) (PP (TO to) (NP (DT each) (JJ other))))) (. .)))
Because water is a polar molecule, water molecules are hydrogen bonded to each other.
(ROOT (S (PP (VBN Compared) (PP (IN with) (NP (NP (DT the) (NNS molecules)) (PP (IN of) (NP (JJ many) (JJ other) (NNS substances)))))) (, ,) (NP (NP (NNS molecules)) (PP (IN of) (NP (NN water)))) (VP (VBP are) (ADVP (RB strongly)) (VP (VBN attracted) (PP (TO to) (NP (DT each) (JJ other))))) (. .)))