If the wastewater discharged from the production of a certain brand of chemical fertilizer enters the river, it will lead to the non-spawning of red trout, resulting in the reduction of the number of fish. After a chemical plant built not far from the river produced the brand of chemical fertilizer, the number of red trout spawned by farmers in the basin decreased sharply. Therefore, the chemical plant must have polluted the river when producing chemical fertilizer.
Which of the following contains the most similar reasoning errors to the above reasoning?
People with severe insomnia often stay up late. Zhang is a university teacher and often stays up late until two o'clock, so Zhang is likely to be a person with severe insomnia.