Later tournaments have been held at one of the Harrah 's Entertainment and later Caesars Entertainment properties ; since 2005 , the Rio has served as the venue .
ADJ NOUN AUX AUX VERB ADP NUM ADP DET PROPN PART PROPN CCONJ ADV PROPN PROPN NOUN ; SCONJ NUM , DET PROPN AUX VERB ADP DET NOUN .