it transporting is that it 's also one of the smartest 
(ROOT (S (NP (PRP it)) (VP (VBG transporting) (VP (VBZ is) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ 's) (ADVP (RB also)) (NP (NP (CD one)) (PP (IN of) (NP (DT the) (JJS smartest)))))))))))
(ROOT (S (NP (PRP )) (VP (VBG ) (VP (VBZ ) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (ADVP (RB )) (NP (NP (CD )) (PP (IN ) (NP (DT ) (JJS )))))))))))