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 Charles experienced a crazy weather week. On Saturday, 2 inches of Lake Charles evaporated. On Sunday, another inch of Lake Charles evaporated. On Monday, 3 more inches of Lake Charles evaporated. On Tuesday, Wednesday, Thursday, and Friday, there was condensation all day. 
Question: Which day did the environment in the community have a higher warming: Sunday or Thursday?
Output (English): Thursday.