Evaluate the arousal intensity of the following sentence, considering the mood of the author. Give a score between 0 and 1 inclusive, where 0 is the most calm and 1 is the most energetic.
Sentence: While both stories each characterize Madame White Snake fairly consistently within their narratives, the uneven characterization in film noir perhaps mirrors the evolution of her character over time: readers may not be sure whether she is a pure villainess or whether she is a good wife who is badly treated by society, because there is evidence of both throughout her legend.