( ( ( ( ( ( ( Everyone 's ) fire ) ( burns ( from ( different wood ) ) ) ) , ) but ) ( ( wet wood ) ( ( does not ) ( burn ( at all ) ) ) ) ) . )
(ROOT (S (S (NP (NP (NN Everyone) (POS 's)) (NN fire)) (VP (VBZ burns) (PP (IN from) (NP (JJ different) (NN wood))))) (, ,) (CC but) (S (NP (JJ wet) (NN wood)) (VP (VBZ does) (RB not) (VP (VB burn) (ADVP (IN at) (DT all))))) (. .)))
Everyone's fire burns from different wood, but wet wood does not burn at all.
(ROOT (S (NP (NNP Wood) (NNP burning)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (NP (DT a) (JJ different) (NN substance)) (VP (VBG being) (VP (VBN formed))))))) (. .)))