fairly run-of-the-mill . 
(ROOT (S (ADVP (RB fairly)) (VP (VBN run) (PP (IN -of) (HYPH -) (NP (DT the) (HYPH -) (NN mill)))) (. .)))
(ROOT (S (ADVP (RB )) (VP (VBN ) (PP (IN ) (HYPH ) (NP (DT ) (HYPH ) (NN )))) (. )))