Chen first went about deciding the genre through a process of elimination. He decided to forego Taiwan's more common social realist films, along with the horror films and homosexual tales that have been popular in recent years.
在類型上，他先用排除法，摒除台灣習慣的社會寫實片，以及近一年來盛行的鬼片和同志片，嘗試走上自己的「旅行電影」。