Complex sentence: When Tina visits Stanley in prison, he urges her to flee the city, and Tina in return thanks Stanley for treating her with respect, also telling him that she knew that he was the Mask all along.
Split into simpler sentences: When Tina visits Stanley in prison he urges her to flee the city. Tina thanks Stanley for treating her with respect and tells him that she knew that he was the Mask all along.