whose aims -- and by extension , accomplishments -- 
(ROOT (SBAR (WHNP (WP$ whose) (NNS aims)) (, --) (CC and) (FRAG (PP (IN by) (NP (NN extension))) (, ,) (NP (NNS accomplishments))) (, --)))
(ROOT (SBAR (WHNP (WP$ ) (NNS )) (, ) (CC ) (FRAG (PP (IN ) (NP (NN ))) (, ) (NP (NNS ))) (, )))