( ( ( The presence ) ( of ( the light ) ) ) ( ( , ( ( he says ) , ) ) ( ( was ( enough ( to ( generate ( molecules ( containing ( ( ( ( carbon , ) ( known ( as ( organic compounds ) ) ) ) , ) ( which ( form ( ( the ( chemical basis ) ) ( of ( living things ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NP (DT The) (NN presence)) (PP (IN of) (NP (DT the) (NN light)))) (PRN (, ,) (S (NP (PRP he)) (VP (VBZ says))) (, ,)) (VP (VBD was) (ADJP (JJ enough) (S (VP (TO to) (VP (VB generate) (NP (NP (NNS molecules)) (VP (VBG containing) (NP (NP (NN carbon)) (, ,) (VP (VBN known) (PP (IN as) (NP (JJ organic) (NNS compounds)))) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP form) (NP (NP (DT the) (JJ chemical) (NN basis)) (PP (IN of) (NP (VBG living) (NNS things))))))))))))))) (. .)))
The presence of the light, he says, was enough to generate molecules containing carbon, known as organic compounds, which form the chemical basis of living things.
(ROOT (S (NP (VBG Living) (NNS organisms)) (VP (VBP are) (VP (VBN comprised) (PP (IN of) (NP (NP (JJ organic) (NNS compounds)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (NP (NP (NNS molecules)) (VP (VBN built) (PP (IN around) (NP (NN carbon)))))))))))) (. .)))