Complex sentence: This festivity culminates on the first two days of May, but usually preceded by an inter-zonal basketball tournament that runs for two-four weeks sponsored by the Sangguniang Kabataan.
Split into simpler sentences: This festivity culminates on the first two days of May. The festivity is usually preceded by an inter-zonal basketball tournament that runs for two-four weeks sponsored by the Sangguniang Kabataan.