Evaluate the dominance intensity of the following sentence, considering the mood of the author. Give a score between 0 and 1 inclusive, where 0 is the most uncontrolled and 1 is the most commanding.
Sentence: Me, I was singled out by Sarah, an unassuming forty-something lady with a glass of champagne in one hand and the arm of a scrawny but tall blond man in the other.