Thesis is not related to question. Paper does not make an argument to support its thesis. Points are asserted, with little or no evidence to support them. Contradictory evidence is neglected. Paper makes major factual errors.
Paper lacks a clear thesis.
Paragraphs do not cohere or contain much irrelevant material. Paper is written in colloquial or nonstandard English, or contains frequent grammatical or spelling mistakes. Sources are not properly cited. A paper that is plagiarized will automatically receive an F. Plagiarism is also grounds for failure in the course. Other courses may require more systematic forms of citation.