But if you take it seriously, the anti-abortion position is definitive by definition.
( But ( ( if ( you ( ( take it ) seriously ) ) ) ( , ( ( the ( anti-abortion position ) ) ( ( is ( definitive ( by definition ) ) ) . ) ) ) ) )
(ROOT (S (CC But) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP take) (NP (PRP it)) (ADVP (RB seriously))))) (, ,) (NP (DT the) (JJ anti-abortion) (NN position)) (VP (VBZ is) (NP (NP (JJ definitive)) (PP (IN by) (NP (NN definition))))) (. .)))
People usually don't take anti-abortion positions seriously.
( People ( usually ( ( ( do n't ) ( ( take ( anti-abortion positions ) ) seriously ) ) . ) ) )
(ROOT (S (NP (NNS People)) (ADVP (RB usually)) (VP (VBP do) (RB n't) (VP (VB take) (NP (JJ anti-abortion) (NNS positions)) (ADVP (RB seriously)))) (. .)))