who normally could n't care less 
(ROOT (SBAR (WHNP (WP who)) (S (ADVP (RB normally)) (VP (MD could) (RB n't) (VP (VB care) (ADVP (RBR less)))))))
(ROOT (SBAR (WHNP (WP )) (S (ADVP (RB )) (VP (MD ) (RB ) (VP (VB ) (ADVP (RBR )))))))