​Four Venn diagrams are given below. You have to select the option that shows the best relationship among the three given classes.

Boy, student, farm

Boy & Student: Some boys are students, so they partially overlap.
Farm: A farm is unrelated to both, so it should be a separate circle.
Correct Venn Diagram: Shows Boy and Student overlapping, while Farm remains separate.
Thus, the correct option is (a)