Answer: I believe it's the third one.
Dear Ms. Baker;
Explanation:
Their performance varies considerable, they are often idle, and then might have an occasional flurry of activity. For example, if their attendance is sporadic, they may have good attendance for a while, and then disappear unpredictably from time to time.
Well if there is a person walking by they may say what they look like but how they act becasue its just not inported to the story
