moving , if uneven , success 
(ROOT (NP (VP (VBG moving)) (, ,) (SBAR (IN if) (FRAG (ADJP (JJ uneven)))) (, ,) (NP (NN success))))
(ROOT (NP (VP (VBG )) (, ) (SBAR (IN ) (FRAG (ADJP (JJ )))) (, ) (NP (NN ))))