Complex sentence: Rangpur Riders also sponsored "say-no-to-suicide" and "respect autism" campaign and supported some of the people in Bangladesh's Rangpur Division affected by the 2017 South Asian floods.
Split into simpler sentences: Rangpur Riders also sponsored "say-no-to-suicide" and "respect autism" campaign. They also supported some of the people in Bangladesh's Rangpur Division affected by the 2017 South Asian floods.