but they fascinate in their recklessness . 
(ROOT (S (CC but) (NP (PRP they)) (VP (VBP fascinate) (PP (IN in) (NP (PRP$ their) (NN recklessness)))) (. .)))
(ROOT (S (CC ) (NP (PRP )) (VP (VBP ) (PP (IN ) (NP (PRP$ ) (NN )))) (. )))