much further than we imagine 
(ROOT (ADVP (ADVP (RB much) (RBR further)) (SBAR (IN than) (S (NP (PRP we)) (VP (VBP imagine))))))
(ROOT (ADVP (ADVP (RB ) (RBR )) (SBAR (IN ) (S (NP (PRP )) (VP (VBP ))))))