Candidates running for the Senate should file certificates of candidacies at the commission 's main office at Intramuros , while those running for the other positions should file at their local COMELEC offices .
NOUN VERB ADP DET PROPN AUX VERB NOUN ADP NOUN ADP DET NOUN PART ADJ NOUN ADP PROPN , SCONJ DET VERB ADP DET ADJ NOUN AUX VERB ADP PRON ADJ PROPN NOUN .