Consider the following problematic situations that parents recently raised with 
( ( Consider ( the ( following ( problematic situations ) ) ) ) ( that ( parents ( recently ( raised with ) ) ) ) )
(ROOT (S (VP (VB Consider) (NP (DT the) (JJ following) (JJ problematic) (NNS situations)) (SBAR (IN that) (S (NP (NNS parents)) (ADVP (RB recently)) (VP (VBD raised) (PP (IN with))))))))
What parents consider problematic isn't the same as what their children consider problematic.
( ( What ( parents ( consider problematic ) ) ) ( ( ( is n't ) ( ( the same ) ( as ( what ( ( their children ) ( consider problematic ) ) ) ) ) ) . ) )
(ROOT (S (SBAR (WHNP (WP What)) (S (NP (NNS parents)) (VP (VBP consider) (ADJP (JJ problematic))))) (VP (VBZ is) (RB n't) (PP (NP (DT the) (JJ same)) (IN as) (SBAR (WHNP (WP what)) (S (NP (PRP$ their) (NNS children)) (VP (VBP consider) (ADJP (JJ problematic))))))) (. .)))