Statements: Some birds are parrots. All parrots are green. Which conclusion follows?
- A. Some birds are green
- B. All birds are green
- C. No bird is green
- D. All green things are birds
Explanation
The birds that are parrots must be green, so some birds are certainly green, while the other birds could be any colour. A conclusion cannot be broader than the narrowest premise supporting it. The last option reverses a universal, which is never valid.
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