Given the task definition and input, reply with output. In this task, you're given a context passage, followed by a question that needs to be answered. Based on the paragraph, you must write unambiguous answers to the questions and your answer must refer to a specific phrase from the paragraph. If multiple answers seem to exist, write the answer that is the most plausible.

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 ?
She wanted a break from her exercise .