( ( For ( the scorpion ) ) ( , ( digestion ( ( begins ( outside ( the mouth ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (DT the) (NN scorpion))) (, ,) (NP (NN digestion)) (VP (VBZ begins) (PP (IN outside) (NP (DT the) (NN mouth)))) (. .)))
For the scorpion, digestion begins outside the mouth.
(ROOT (S (NP (JJ Carbohydrate) (NN digestion)) (VP (VBZ begins) (PP (IN in) (NP (DT the) (NN mouth)))) (. .)))