on and on to the point of nausea 
(ROOT (ADVP (RB on) (CC and) (RB on) (PP (IN to) (NP (NP (DT the) (NN point)) (PP (IN of) (NP (NN nausea)))))))
(ROOT (ADVP (RB ) (CC ) (RB ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))))))