that has made tucker a star 
(ROOT (SBAR (WHNP (DT that)) (S (VP (VBZ has) (VP (VBN made) (S (NP (NNP tucker)) (NP (DT a) (NN star))))))))
(ROOT (SBAR (WHNP (DT )) (S (VP (VBZ ) (VP (VBN ) (S (NP (NNP )) (NP (DT ) (NN ))))))))