not only a reminder of how they used to make movies , but also how they sometimes still can be made . 
(ROOT (NP (CONJP (RB not) (RB only)) (NP (NP (DT a) (NN reminder)) (PP (IN of) (SBAR (WHADVP (WRB how)) (S (NP (PRP they)) (VP (VBD used) (S (VP (TO to) (VP (VB make) (NP (NNS movies)))))))))) (, ,) (CONJP (CC but) (RB also)) (SBAR (WHADVP (WRB how)) (S (NP (PRP they)) (ADVP (RB sometimes)) (ADVP (RB still)) (VP (MD can) (VP (VB be) (VP (VBN made)))))) (. .)))
(ROOT (NP (CONJP (RB ) (RB )) (NP (NP (DT ) (NN )) (PP (IN ) (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (VBD ) (S (VP (TO ) (VP (VB ) (NP (NNS )))))))))) (, ) (CONJP (CC ) (RB )) (SBAR (WHADVP (WRB )) (S (NP (PRP )) (ADVP (RB )) (ADVP (RB )) (VP (MD ) (VP (VB ) (VP (VBN )))))) (. )))