Task: Question Answering
Input (English): Background Paragraph: The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment. These heat exchanges influence climate. 
Story: The community around Lake Superior experienced a crazy weather week. On Sunday, 4 inches of Lake Superior evaporated. On Monday, 3 inches of Lake Superior evaporated. On Tuesday, 2 inches of Lake Superior evaporated. On Wednesday, Thursday, Friday, and Saturday, there was condensation all day. 
Question: Which day did the environment in the community have a higher cooling: Thursday or Sunday?
Output (English): Sunday.