( There ( ( is ( ( ( a ( time ( to ( cut fire-wood ) ) ) ) and ) ( ( ( a ( different time ) ) ( to ( cut ( wood ( that ( ( does n't ) ( burn ( at all ) ) ) ) ) ) ) ) ( -LRB- ( ( for ( pipes ( for example ) ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (NP (DT a) (NN time) (S (VP (TO to) (VP (VB cut) (ADJP (JJ fire-wood)))))) (CC and) (NP (NP (DT a) (JJ different) (NN time)) (S (VP (TO to) (VP (VB cut) (NP (NP (NN wood)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB n't) (VP (VB burn) (ADVP (IN at) (DT all)))))))))) (PRN (-LRB- -LRB-) (PP (IN for) (NP (NP (NNS pipes)) (PP (IN for) (NP (NN example))))) (-RRB- -RRB-))))) (. .)))
There is a time to cut fire-wood and a different time to cut wood that doesn't burn at all (for pipes for example).
(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))))))) (. .)))