( Science ( ( is ( ( a ( human endeavor ) ) ( that ( seeks ( to ( ( understand ( the universe ) ) ( by ( ( ( ( ( observation , ) experimentation ) , ) and ) ( ( rational interpretation ) ( of observations ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Science)) (VP (VBZ is) (NP (NP (DT a) (JJ human) (NN endeavor)) (SBAR (WHNP (WDT that)) (S (VP (VBZ seeks) (S (VP (TO to) (VP (VB understand) (NP (DT the) (NN universe)) (PP (IN by) (NP (NP (NN observation)) (, ,) (NP (NN experimentation)) (, ,) (CC and) (NP (NP (JJ rational) (NN interpretation)) (PP (IN of) (NP (NNS observations)))))))))))))) (. .)))
Science is a human endeavor that seeks to understand the universe by observation, experimentation, and rational interpretation of observations.
(ROOT (S (NP (NNP Science)) (VP (VBZ is) (NP (NP (DT a) (NN process)) (PP (IN of) (S (VP (VBG knowing) (PP (IN about) (NP (DT the) (JJ natural) (NN universe))) (PP (IN through) (NP (NN observation) (CC and) (NN experimentation)))))))) (. .)))