Task: Question Answering
Input (English): Context: Of course , I chose to dutifully ignore their warnings , and the symptoms , and trudge on . Along the way , I spotted these furry flowers . I am not sure what they are except for pretty . My determination paid off when I got to the end of the trail and the top of the mountain and was rewarded with this view : Today I am not that sore , although whenever I do get up a new part of my body complains ever so faintly . I do have a sunburn , and I have been chugging water all day . 
Question: Why may she have been sore ?
Output (English): From climbing the mountain .