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1. Holidays
St. Patrick's Day is not a federally recognized holiday of the USA
2. Numbers
17 is not a perfect square
3. Colors
Green is not a primary color
4. Countries
Denmark is not in South America
5. People
Benjamin Franklin was not a US president
6. Words
Hat is a noun, not a verb
7. Dog breeds
Siamese is a cat breed, not a dog breed
8. Special characters
% can not be used to end a sentence
9. Subjects
Ecology is a branch of science, not math
10. Automobile brands
Nike is not an automobile brand. It is a clothing/activewear brand.
11. States
Texas was not an original colony
12. Letters
B is not a vowel