Assess the valence intensity of the sentence "Someone will need to begin by creating an urban "oasis" that mitigates some of the fears that you had while driving through the city -- where to buy groceries, a place where you can feel safe on your own front porch, the freedom to sleep soundly without worrying about your copper wiring." based on the mood of the author. Offer a numerical rating between 0 and 1, with 1 representing highly positive and 0 representing highly negative.