Maybe in that sense, the behavior of the Pippens and Iversons of the world is defensible.
( ( Maybe ( in ( that sense ) ) ) ( , ( ( ( the behavior ) ( of ( ( the ( ( Pippens and ) Iversons ) ) ( of ( the world ) ) ) ) ) ( ( is defensible ) . ) ) ) )
(ROOT (S (PP (ADVP (RB Maybe)) (IN in) (NP (DT that) (NN sense))) (, ,) (NP (NP (DT the) (NN behavior)) (PP (IN of) (NP (NP (DT the) (NNPS Pippens) (CC and) (NNPS Iversons)) (PP (IN of) (NP (DT the) (NN world)))))) (VP (VBZ is) (ADJP (JJ defensible))) (. .)))
Their angry retorts to refs may be justified.
( ( ( Their ( angry retorts ) ) ( to refs ) ) ( ( may ( be justified ) ) . ) )
(ROOT (S (NP (NP (PRP$ Their) (JJ angry) (NNS retorts)) (PP (TO to) (NP (NNS refs)))) (VP (MD may) (VP (VB be) (ADJP (JJ justified)))) (. .)))