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: Mayans gained formal recognition in 1995 as the majority population in a precursor to the 1996 peace accord; by 1999 its government floated a referendum on an indigenous bill of rights resembling that codified in the Colombian constitution (Warren 2002: 157-158).
Intensity score: 