( ( The planet ) ( ( ( ( ( is ( the ( 6th ( giant planet ) ) ) ) ( to ( be ( detected ( in ( ( the ( Doppler surveys ) ) ( of ( M dwarfs ) ) ) ) ) ) ) ) and ) ( is ( considered ( to ( be ( one ( of ( ( the ( most ( massive planets ) ) ) ( found ( around ( M ( dwarf stars ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN planet)) (VP (VP (VBZ is) (NP (DT the) (JJ 6th) (JJ giant) (NN planet)) (S (VP (TO to) (VP (VB be) (VP (VBN detected) (PP (IN in) (NP (NP (DT the) (NNP Doppler) (NNS surveys)) (PP (IN of) (NP (NNP M) (NNP dwarfs)))))))))) (CC and) (VP (VBZ is) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (RBS most) (JJ massive) (NNS planets)) (VP (VBN found) (PP (IN around) (NP (NNP M) (NN dwarf) (NNS stars))))))))))))) (. .)))
The planet is the 6th giant planet to be detected in the Doppler surveys of M dwarfs and is considered to be one of the most massive planets found around M dwarf stars.
(ROOT (S (NP (PRP We)) (VP (VBP consider) (S (NP (NNS ceres)) (VP (TO to) (VP (VB be) (NP (DT a) (NN dwarf) (NN planet)))))) (. .)))