( ( Ethers ( ( An ( organic compound ) ) ( which ( has ( ( two ( hydrocarbon groups ) ) ( bound ( by ( an ( interior ( oxygen atom ) ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Ethers) (NP (NP (DT An) (JJ organic) (NN compound)) (SBAR (WHNP (WDT which)) (S (VP (VBZ has) (NP (NP (CD two) (NN hydrocarbon) (NNS groups)) (VP (VBN bound) (PP (IN by) (NP (DT an) (JJ interior) (NN oxygen) (NN atom)))))))))) (. .)))
Ethers An organic compound which has two hydrocarbon groups bound by an interior oxygen 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))))))))) (. .)))