( ( Compound ( ( containing carbon ) ( to ( carbon unsaturation ) ) ) ) . )
(ROOT (NP (NP (NN Compound)) (VP (VBG containing) (NP (NN carbon)) (PP (TO to) (NP (NN carbon) (NN unsaturation)))) (. .)))
Compound containing carbon to carbon unsaturation.
(ROOT (S (NP (NP (NNS Compounds)) (VP (VBG containing) (NP (DT the) (NN element) (NN carbon)))) (VP (VBP are) (NP (NP (DT the) (NN basis)) (PP (IN of) (NP (DT all) (VBN known) (NN life))))) (. .)))
Compounds containing the element carbon are the basis of all known life.