Final answer:
The word or phrase that makes the thesis statement wordy is "if you think about it."
Step-by-step explanation:
The word or phrase that makes the thesis statement wordy is "if you think about it." This phrase adds unnecessary clutter and is not essential to the clarity of the thesis statement. The thesis statement would be more concise without this phrase. So the revised thesis statement would be: "Sebastian is responsible for the danger Ariel faces."
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