an insult to every family whose mother has suffered through the horrible pains of a death by cancer 
(ROOT (NP (NP (DT an) (NN insult)) (PP (IN to) (NP (NP (DT every) (NN family)) (SBAR (WHNP (WP$ whose) (NN mother)) (S (VP (VBZ has) (VP (VBN suffered) (PP (IN through) (NP (NP (DT the) (JJ horrible) (NNS pains)) (PP (IN of) (NP (NP (DT a) (NN death)) (PP (IN by) (NP (NN cancer)))))))))))))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WP$ ) (NN )) (S (VP (VBZ ) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (JJ ) (NNS )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))))))))))))))