| Term | Definition |
| Invalid | If it rains, I'll get wet. I got wet. Conclusion: ? |
| Donald has webbed feet. | Ducks have webbed feet. Donald is a duck. Conclusion: ? |
| Invalid | If you are a monkey, then you eat bananas. Winston eats bananas. Conclusion: ? |
| If I get an A, Mom gives me a cookie. | If I get an A, Mom is happy. If Mom is happy, she gives me a cookie. Conclusion: ? |
| Muffy is fluffy. | Poodles are fluffy. Muffy is a Poodle. Conclusion: ? |
| Invalid | If you go to North, you're a Husky. If you go to North, your colors are green and white. Conclusion: ? |
| Invalid | Adjacent angles have a common vertex. <1 and <2 have a common vertex. Conclusion: ? |
| Bunnies don't eat meat. | Bunnies are herbivores. Herbivores don't eat meat. Conclusion: ? |