was when green threw medical equipment at a window ; not because it was particularly funny , but because i had a serious urge to grab the old lady at the end of my aisle 's walker and toss it at the screen in frustration 
(ROOT (VP (VBD was) (SBAR (WHADVP (WRB when)) (S (NP (NN green)) (VP (VBD threw) (NP (JJ medical) (NN equipment)) (PP (IN at) (NP (DT a) (NN window)))))) (, ;) (SBAR (SBAR (RB not) (IN because) (S (NP (PRP it)) (VP (VBD was) (ADJP (RB particularly) (JJ funny))))) (, ,) (CC but) (SBAR (IN because) (S (NP (PRP i)) (VP (VBD had) (NP (DT a) (JJ serious) (NN urge) (S (VP (TO to) (VP (VP (VB grab) (NP (NP (DT the) (JJ old) (NN lady)) (PP (IN at) (NP (NP (DT the) (NN end)) (PP (IN of) (NP (NP (PRP$ my) (NN aisle) (POS 's)) (NN walker))))))) (CC and) (VP (VB toss) (NP (PRP it)) (PP (IN at) (NP (DT the) (NN screen))) (PP (IN in) (NP (NN frustration))))))))))))))
(ROOT (VP (VBD ) (SBAR (WHADVP (WRB )) (S (NP (NN )) (VP (VBD ) (NP (JJ ) (NN )) (PP (IN ) (NP (DT ) (NN )))))) (, ) (SBAR (SBAR (RB ) (IN ) (S (NP (PRP )) (VP (VBD ) (ADJP (RB ) (JJ ))))) (, ) (CC ) (SBAR (IN ) (S (NP (PRP )) (VP (VBD ) (NP (DT ) (JJ ) (NN ) (S (VP (TO ) (VP (VP (VB ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (PRP$ ) (NN ) (POS )) (NN ))))))) (CC ) (VP (VB ) (NP (PRP )) (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (NP (NN ))))))))))))))