while the humor is recognizably plympton 
(ROOT (SBAR (IN while) (S (NP (DT the) (NN humor)) (VP (VBZ is) (ADVP (RB recognizably)) (NP (NNP plympton))))))
(ROOT (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (ADVP (RB )) (NP (NNP ))))))