Complex sentence: As Wallace and Wendolene fight against the suction force, Shaun manages to activate the neon advertisements, revealing the hideout's location to Gromit, who then flies into the hideout and attacks Preston with the porridge cannon.
Split into simpler sentences: As Wallace and Wendolene fight against the suction force, Shaun manages to activate neon adverts and reveal the hideout's location to Gromit. Gromit flies into the hideout and attacks Preston with the porridge cannon.