( ( Gaping ( with ( the mouth ) ) ) ( ( can ( provide ( ( cooling ( by evaporation ) ) ( from ( the ( mouth lining ) ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Gaping) (PP (IN with) (NP (DT the) (NN mouth))))) (VP (MD can) (VP (VB provide) (S (VP (VBG cooling) (PP (IN by) (NP (NN evaporation))) (PP (IN from) (NP (DT the) (NN mouth) (NN lining))))))) (. .)))
Gaping with the mouth can provide cooling by evaporation from the mouth lining.
(ROOT (S (S (VP (VBG Lying) (PP (IN with) (NP (PRP$ their) (NNS mouths))) (ADVP (RB open)))) (, ,) (NP (DT a) (NN behavior)) (VP (VBD called) (SBAR (S (NP (NNP gaping)) (, ,) (ADVP (RB probably)) (VP (VBZ serves) (NP (NP (DT the) (NN function)) (PP (IN of) (S (VP (VBG cooling) (PRT (RP down)) (PP (IN for) (NP (NNS crocodiles))))))))))) (. .)))