( ( ( The ( observed magnitude ) ) ( of ( the effect ) ) ) ( ( ( ( ( depends ( on ( ( the properties ) ( of ( the ( cluster gas ) ) ) ) ) ) , ) but ) ( ( is ( independent ( of ( the distance ) ) ) ) ( to ( the cluster ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (ADJP (JJ observed)) (NN magnitude)) (PP (IN of) (NP (DT the) (NN effect)))) (VP (VP (VBZ depends) (PP (IN on) (NP (NP (DT the) (NNS properties)) (PP (IN of) (NP (DT the) (NN cluster) (NN gas)))))) (, ,) (CC but) (VP (VBZ is) (ADJP (JJ independent) (PP (IN of) (NP (DT the) (NN distance)))) (PP (TO to) (NP (DT the) (NN cluster))))) (. .)))
The observed magnitude of the effect depends on the properties of the cluster gas, but is independent of the distance to the cluster.
(ROOT (S (NP (NNP Distance)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (NN magnitude) (CC or) (NN size)) (PP (IN of) (NP (NP (NN displacement)) (PP (IN between) (NP (CD two) (NNS positions))))))))) (. .)))