Task: Quantify the valence intensity of the sentence, assigning it a value between 0 (highly negative) and 1 (highly positive), reflecting the emotional tone conveyed.
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.
Intensity score: 