's also one of the smartest 
(ROOT (VP (VBZ 's) (ADVP (RB also)) (NP (NP (CD one)) (PP (IN of) (NP (DT the) (JJS smartest))))))
(ROOT (VP (VBZ ) (ADVP (RB )) (NP (NP (CD )) (PP (IN ) (NP (DT ) (JJS ))))))