Complex sentence: During the Sarangani's 1st district state of the district address on October 5,2015, Pacquiao formally declared he is running for Senator under the United Nationalist Alliance (UNA) party of Vice President Jejomar Binay.
Split into simpler sentences: During the Sarangani's 1st district state of the district address on October 5,2015, Pacquiao formally declared he is running for Senator. He will be run under the United Nationalist Alliance (UNA) party of Vice President Jejomar Binay.