who makes martha enormously endearing 
(ROOT (SBAR (WHNP (WP who)) (S (VP (VBZ makes) (S (NP (NNP martha)) (ADJP (RB enormously) (JJ endearing)))))))
(ROOT (SBAR (WHNP (WP )) (S (VP (VBZ ) (S (NP (NNP )) (ADJP (RB ) (JJ )))))))