With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: Varese's winters are less mitigated by the proximity of the "Lago Maggiore" and of the minor lakes surrounding it. Low temperatures in the late autumn and winter frequently go down a few degrees below zero (Celsius). This differentiates it from areas south of the city. Fog is an infrequent phenomenon in the other cities in the foothills of Lombardy, in contrast to Varese in winter. Varese is on average cooler than other cities of the Lombard Prealps, especially in winter. The rainfall of Varese is among the highest in Italy, with more than of the annual average. In winter, snow falls quite frequently, especially in January (about per year).
text_B: If someone who split their time between Varese and another city in the Lombardy foothills, would the outlook for weather mean that when shopping for a new car, optional fog lights would be more than just an aesthetic improvement?
YES.