Which of the following diagrams indicates the best relation between Cars, Clothes, and Black?

Select a Venn diagram from the options which best illustrates the relationship among three given classes.

Human beings, Teachers, Graduates

Select a Venn diagram from the options which best illustrates the relationship among three given classes.

Students, Golf players, Cricket players

In a class of $50$ students, $20$ study Economics, $17$ study Mathematics including six who study Economics. Eighteen students study Political Science including four who study Economics, but not Mathematics. Five students study Science, but no other subject. Which of the following figure represents these facts?

Study the diagram given below and identify the region representing graduates who are government employees, but not clerks.