Here is a young woman standing in the street in front of a department store.
Two goldfish are riding bikes in a giant pile of mashed potatoes.
A young woman and two goldfish are not the same gender nor number of subjects. Also it is not possible to be standing and riding a bike at the same time. It is also not possible to be in a giant pile of mashed potatoes and in the street in front of a department store at the same time.
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