a kid who ca n't quite distinguish one sci-fi work from another 
(ROOT (NP (NP (DT a) (NN kid)) (SBAR (WHNP (WP who)) (S (VP (MD ca) (RB n't) (ADVP (RB quite)) (VP (VB distinguish) (NP (CD one) (NML (NN sci-) (NN fi)) (NN work)) (PP (IN from) (NP (DT another)))))))))
(ROOT (NP (NP (DT ) (NN )) (SBAR (WHNP (WP )) (S (VP (MD ) (RB ) (ADVP (RB )) (VP (VB ) (NP (CD ) (NML (NN ) (NN )) (NN )) (PP (IN ) (NP (DT )))))))))