( ( AIRS database ) ( ( contains ( the ( following elements ) ) ) . ) )
(ROOT (S (NP (NNP AIRS) (NN database)) (VP (VBZ contains) (NP (DT the) (VBG following) (NNS elements))) (. .)))
AIRS database contains the following elements.
(ROOT (S (NP (NNP Air)) (VP (MD can) (VP (VB be) (VP (VBN separated) (PP (IN into) (NP (JJ several) (NNS elements)))))) (. .)))