There are a limited number of storylines that are commonly recycled in movies and television. Romantic comedies and tragic love stories are two genres that share the fundamental characteristic of two people wanting to be together but facing obstacles to their union. However, they differ in how the obstacles are presented. In romantic comedies, the obstacles are situational or internal to the characters and used for humor, while in tragic love stories the obstacles violate societal power structures and often result in death for one or both characters. Understanding genre conventions helps with script development and analysis to ensure a story meets audience expectations of the chosen genre.