it 's always fascinating to watch marker the essayist at work . 
(ROOT (S (NP (NP (PRP it))) (VP (VBZ 's) (ADVP (RB always)) (ADJP (JJ fascinating)) (S (VP (TO to) (VP (VB watch) (S (NP (NN marker)) (NP (DT the) (NN essayist)) (PP (IN at) (NP (NN work)))))))) (. .)))
(ROOT (S (NP (NP (PRP ))) (VP (VBZ ) (ADVP (RB )) (ADJP (JJ )) (S (VP (TO ) (VP (VB ) (S (NP (NN )) (NP (DT ) (NN )) (PP (IN ) (NP (NN )))))))) (. )))