Final answer:
The subject of this question is French, and the student is asking for help finding their hat in the park.
Step-by-step explanation:
The subject of the question is French. The phrase 'Go yonda in the parc aux petits an' ask Aunt Olisse fu' my hat. She knows w'ere 't is. I want to go home, me.' indicates that the speaker is requesting help finding their hat in the park and expressing a desire to go home. This conversation is in French.