( Others ( ( will ( study ( ( ( global precipitation ) and ) ( ( the atmospheres ) ( of ( other planets ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Others)) (VP (MD will) (VP (VB study) (NP (NP (JJ global) (NN precipitation)) (CC and) (NP (NP (DT the) (NNS atmospheres)) (PP (IN of) (NP (JJ other) (NNS planets))))))) (. .)))
Others will study global precipitation and the atmospheres of other planets.
(ROOT (S (NP (DT The) (NN atmosphere)) (VP (VBZ is) (NP (NP (DT the) (NN source)) (PP (IN of) (NP (NN precipitation))))) (. .)))