remember back when thrillers actually thrilled 
(ROOT (S (VP (VB remember) (ADVP (RB back)) (SBAR (WHADVP (WRB when)) (S (NP (NNS thrillers)) (ADVP (RB actually)) (VP (VBD thrilled)))))))
(ROOT (S (VP (VB ) (ADVP (RB )) (SBAR (WHADVP (WRB )) (S (NP (NNS )) (ADVP (RB )) (VP (VBD )))))))