easy · LSAT Logical Reasoning

Which one of the following arguments exhibits a pattern of reasoning most similar to that in the argument above?

1. No metals are transparent. All copper samples are metals. Therefore, some copper samples are not transparent.
2. No deserts are humid. Most deserts are hot. Therefore, most hot regions are not humid.
3. No birds are wingless. All penguins are birds. Therefore, all penguins can fly.
4. No fish are mammals. No mammals are cold-blooded. Therefore, no fish are cold-blooded.
5. No metals are transparent. All copper is a metal. Therefore, no copper is transparent.

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