( ( ( Soap molecules ) ( in ( the ( bubble mixture ) ) ) ) ( ( are ( attracted ( to ( each other ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Soap) (NNS molecules)) (PP (IN in) (NP (DT the) (NN bubble) (NN mixture)))) (VP (VBP are) (VP (VBN attracted) (PP (TO to) (NP (DT each) (JJ other))))) (. .)))
Soap molecules in the bubble mixture are attracted 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))))) (. .)))