Why does Harry use the Marauder’s Map in "Harry Potter and the Prisoner of Azkaban"?
To track the movements of Peter Pettigrew.
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Why does Harry use the Marauder’s Map in "Harry Potter and the Prisoner of Azkaban"? [/INST] To track the movements of Peter Pettigrew. </s>