The exoplanet Mu Arae c ( or HD 160691 c ) discovered in 2004 might also be a hot Neptune , but it has not been determined definitively .
DET NOUN PROPN PROPN X ( CCONJ PROPN NUM NOUN ) VERB ADP NUM AUX ADV VERB DET ADJ PROPN , CCONJ PRON AUX PART AUX VERB ADV .