Select the Venn diagram that best represents the relationship of the classes:

Stationery, Pen, Pencil

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Given: Stationery, Pen, Pencil

Pen and Pencil are both types of Stationery.
Pen and Pencil are separate entities, meaning they do not overlap.
Both should be inside the Stationery category but not overlapping with each other.

The correct Venn diagram is: (D)

Thus, the correct option is (c) D