( ( ( ( ( The ( dwarf planet ) ) Ceres ) and ) ( ( ( ( ( the ( ( asteroid 4 ) Vesta ) ) , ) ( two ( of ( the ( three ( largest asteroids ) ) ) ) ) ) , ) ( are ( targets ( of ( ( ( ( NASA 's ) ( Dawn mission ) ) , ) ( launched ( in 2007 ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NN dwarf) (NN planet)) (VP (VBZ Ceres))) (CC and) (S (NP (NP (DT the) (ADJP (JJ asteroid) (NP (CD 4))) (NN Vesta)) (, ,) (NP (NP (CD two)) (PP (IN of) (NP (DT the) (CD three) (JJS largest) (NNS asteroids)))) (, ,)) (VP (VBP are) (NP (NP (NNS targets)) (PP (IN of) (NP (NP (NP (NNP NASA) (POS 's)) (JJ Dawn) (NN mission)) (, ,) (VP (VBN launched) (PP (IN in) (NP (CD 2007))))))))) (. .)))
The dwarf planet Ceres and the asteroid 4 Vesta, two of the three largest asteroids, are targets of NASA's Dawn mission, launched in 2007.
(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)))))) (. .)))