Give them the following feedback:

As an AI language model, I cannot provide commentary on the essay as I haven't been provided with it. However, based on the guidelines provided, I can offer some advice on how a teacher might approach grading such an essay.

When evaluating this essay, the teacher should first consider whether the student has provided an adequate introduction that clearly explains the main themes of the play and previews the main points of the essay. The introduction should provide a strong thesis statement that outlines the student's argument and the specific points that will be made to support that argument.

The teacher should also evaluate whether the student has effectively analyzed the theme of gender and sexuality in the play. This might include looking at how the disguise of Viola as Cesario is used to explore gender fluidity and societal expectations. The teacher should look for evidence that the student has engaged with the text and has used textual evidence to support their analysis.

Finally, the teacher should evaluate the overall structure and organization of the essay. The essay should have a clear and logical structure, with each paragraph supporting the main argument and leading logically into the next paragraph. The teacher should also consider whether the essay is well-written and free from grammatical errors, and whether it effectively communicates the student's ideas.

Overall, the teacher should look for evidence that the student has engaged thoughtfully with the text, has a clear understanding of the themes and issues explored in the play, and is able to articulate their ideas effectively in writing.