<span>Hamlet says early in the play that, in order to remain in Elsinore while he plans his revenge against Claudius, he may pretend to be crazy. People who might otherwise be suspcious of his motives will merely assume that the grief over his father's death is the cause of his erratic behavior.</span>
Answer:
Yes. There is an agreement error between 'anyone' (a singular pronoun) and 'their' (a plural pronoun).
Explanation:
Some ways to fix the error ....
After <em><u>anyone</u></em> eats Yzma's famous chili, <em><u>he or she swears</u></em> to never try another kind.
OR
After <u><em>people</em></u> eat Yzma's famous chili, <em><u>they swear </u></em>to never try another kind.
By the way, there is another error in the sentence !!!!!!
NO: 'to never try'
YES: 'never to try'