( However ( , ( ( in ( 2006 Ceres ) ) ( ( ( ( was ( officially ( re-classified ( as ( a ( dwarf planet ) ) ) ) ) ) ( by ( the International ) ) ) ( ( Astronomical Union ) ( -LRB- ( IAU -RRB- ) ) ) ) . ) ) ) )
(ROOT (SINV (ADVP (RB However)) (, ,) (PP (IN in) (NP (CD 2006) (NNS Ceres))) (VP (VBD was) (ADJP (RB officially) (JJ re-classified) (PP (IN as) (NP (DT a) (NN dwarf) (NN planet)))) (PP (IN by) (NP (DT the) (NNP International)))) (NP (NP (NNP Astronomical) (NNP Union)) (PRN (-LRB- -LRB-) (NP (NNP IAU)) (-RRB- -RRB-))) (. .)))
However, in 2006 Ceres was officially re-classified as a dwarf planet by the International Astronomical Union (IAU).
(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)))))) (. .)))