Let's analyze the arousal intensity of the sentence "The lookout point at Lok Ma Chau was once known as Hong Kong’s “window on China” — in the years of China’s isolation from the West, tourists would come to the lookout point here and rent binoculars in order to get a glimpse of the great mystery beyond.". Assign a real number between 0 and 1, where 0 indicates extremely calm and 1 indicates extremely energetic.