Complex sentence: That evening LTTEs Sea Tigers attacked the naval force in suicide boats, the large gunboat SLNS Ranaviru was rammed by one of these boats that was laden heavily with explosives, causing the Ranaviru to sink instantly with its entire crew of 36.
Split into simpler sentences: That evening LTTEs Sea Tigers attacked the naval force in suicide boats heavily laden with explosives. The large gunboat SLNS Ranaviru was rammed, causing the Ranaviru to sink instantly with its entire crew of 36.