Determine the dominance intensity of the writer's mental state conveyed in the sentence "Hence, measures 155-210 constitute the bass progression B-E♭-D♭-B; the same stepwise descent (E♭-D♭) occurred in the first theme group while F rather than B was being prolonged.". Provide a score from 0 to 1, where 1 signifies very commanding and 0 signifies very uncontrolled.