Task: Question Answering
Input (English): Question: A population of squirrels in a local forest had more food available to them this spring than they did last spring. During which spring will more squirrels leave the area to live somewhere else? 
 Option1: this spring 
 Option2: last spring 
 Explanation: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.
Output (English): last spring