Task: Assess the valence intensity of the sentence, providing a rating between 0 (most negative) and 1 (most positive), reflecting the emotional depth conveyed in the message.
Sentence: This is n't a narrative film -- I do n't know if it 's possible to make a narrative film about September 11th , though I 'm sure some will try -- but it 's as close as anyone has dared to come .
Intensity score: 