( ( ( Flammability ( Only ( slightly flammable ) ) ) , ) ( ( must ( be ( preheated ( to ( ( burn Flammable ) ( if ( moderately heated ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NP (NNP Flammability)) (RRC (ADVP (RB Only)) (ADJP (RB slightly) (JJ flammable))) (, ,)) (VP (MD must) (VP (VB be) (VP (VBN preheated) (S (VP (TO to) (VP (VB burn) (NP (NNP Flammable)) (SBAR (IN if) (FRAG (ADJP (RB moderately) (JJ heated)))))))))) (: ;)))
Flammability Only slightly flammable, must be preheated to burn Flammable if moderately heated;
(ROOT (S (NP (NP (DT The) (NN ability)) (PP (IN of) (NP (NN matter) (S (VP (TO to) (VP (VB burn))))))) (VP (VBZ is) (VP (VBN called) (ADVP (RB flammability)))) (. .)))