, it manages to instruct without reeking of research library dust . 
(ROOT (S (, ,) (NP (PRP it)) (VP (VBZ manages) (S (VP (TO to) (VP (VB instruct) (PP (IN without) (S (VP (NN reeking) (PP (IN of) (NP (NML (NN research) (NN library)) (NN dust)))))))))) (. .)))
(ROOT (S (, ) (NP (PRP )) (VP (VBZ ) (S (VP (TO ) (VP (VB ) (PP (IN ) (S (VP (NN ) (PP (IN ) (NP (NML (NN ) (NN )) (NN )))))))))) (. )))