( Science ( ( is ( ( the system ) ( of ( ( knowing ( the universe ) ) ( through ( data ( collected ( by ( observation ( and ( controlled experimentation ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Science)) (VP (VBZ is) (NP (NP (DT the) (NN system)) (PP (IN of) (S (VP (VBG knowing) (NP (DT the) (NN universe)) (PP (IN through) (NP (NP (NNS data)) (VP (VBN collected) (PP (IN by) (NP (NN observation) (CC and) (VBN controlled) (NN experimentation))))))))))) (. .)))
Science is the system of knowing the universe through data collected by observation and controlled experimentation.
(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)))))))) (. .)))