Some subjects exhibit inconsistencies in matching paragraphs across different plagiarism detectingtool. For instance, inorganic chemistry shows a discrepancy in results, with iThenticate and Turnitin reporting 6 matching paragraphs while Urkund does not find any matching paragraphs. VI. Overall, the percentage of matching paragraphs is relatively low for all subjects, indicating that the ChatGPT generated content generally does not have extensive similarities with existing sources.