( ( Carbon dioxide ) ( ( is ( ( the ( chemical compound ) ) ( that ( consists ( of ( ( two ( oxygen atoms ) ) ( bonded ( to ( a ( carbon atom ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Carbon) (NN dioxide)) (VP (VBZ is) (NP (NP (DT the) (JJ chemical) (NN compound)) (SBAR (WHNP (WDT that)) (S (VP (VBZ consists) (PP (IN of) (NP (NP (CD two) (NN oxygen) (NNS atoms)) (VP (VBN bonded) (PP (TO to) (NP (DT a) (NN carbon) (NN atom))))))))))) (. .)))
Carbon dioxide is the chemical compound that consists of two oxygen atoms bonded to a carbon atom.
(ROOT (S (NP (DT An) (NN ether)) (VP (VBZ is) (NP (NP (DT an) (JJ organic) (NN compound)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (CD two) (NN hydrocarbon) (NNS groups)) (VP (VBP are) (VP (VBG bonded) (PP (TO to) (NP (DT the) (JJ same) (NN oxygen) (NN atom))))))))) (. .)))