Task: Question Answering
Input (English): She smirked to herself when she slowed to a walk outside of the park where people were often flying or playing quidditch . Since when did I think so much ? The jog had been easy , but long , and her left calf was starting to cramp up as usual , so she plopped herself on the ground and began to stretch it . After a few moments , she noticed someone had started to fly since she had arrived . 
Question: What may be her reason for sitting down and relaxing ?
Output (English): She wanted a break from her exercise .