Which of the following diagrams indicates the best relation between Boys, Girls and Students?

A teacher may or may not be a writer and musician. Similarly a musician may or may not be a teacher and writer and so a writer may or may not be a teacher and musician.

Mercury and Zinc both are different from one another but belong to metal.

Hospital consists of nurse and patient but nurse and patient are of two different nature.

All the three are different from each other.

All the three are different from each other.

Chairs and tables both are furniture but no chair is table.

Tiger is carnivorous but Elephant is different from these two.

Blackboard is in class and class is in the school.