and in a sense , that 's a liability . 
(ROOT (S (CC and) (PP (IN in) (NP (DT a) (NN sense))) (, ,) (NP (DT that)) (VP (VBZ 's) (NP (DT a) (NN liability))) (. .)))
(ROOT (S (CC ) (PP (IN ) (NP (DT ) (NN ))) (, ) (NP (DT )) (VP (VBZ ) (NP (DT ) (NN ))) (. )))