Complex sentence: The arnis tournament at the 2005 Southeast Asian Games was held on December 3,2005 to December 4,2005 at the Emilio Aguinaldo College Gymnasium in Ermita, Manila.
Split into simpler sentences: The arnis tournament at the 2005 Southeast Asian Games was held on 3 Decemberand 4 December. The events were held at the Emilio Aguinaldo College Gymnasium in Ermita, Manila.