( ( Like molecules ) ( ( ( attract one ) another ) . ) )
(ROOT (SINV (PP (IN Like) (NP (NNS molecules))) (VP (VBP attract) (NP (CD one))) (NP (DT another)) (. .)))
Like molecules attract one another.
(ROOT (S (NP (JJ Opposite) (NNS charges)) (VP (VBP attract) (NP (CD one) (DT another))) (. .)))