( Flammability ( ( is ( ( the ability ) ( of ( a ( material ( to ( ( ( ignite and ) burn ) readily ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Flammability)) (VP (VBZ is) (NP (NP (DT the) (NN ability)) (PP (IN of) (NP (DT a) (NN material) (S (VP (TO to) (VP (VB ignite) (CC and) (VB burn) (ADVP (RB readily))))))))) (. .)))
Flammability is the ability of a material to ignite and burn readily.
(ROOT (S (NP (DT The) (NN term)) (ADVP (RB flammability)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (NP (NP (DT the) (NN ability)) (PP (IN of) (NP (NN matter)))) (S (VP (TO to) (VP (VB burn))))))))) (. .)))