The diagrams are given. Find the diagram which represents the group of words given below.
The image shows a Venn diagram with three circles labeled Books, W.V., and Games.
What is the answer?

In the following figure, the smaller triangle represents teachers; the big triangle represents politicians; circle represents graduates and rectangle represents members of Parliament. Different regions are being represented by letters of English alphabet. On the basis of the above diagram, answer the following questions: 
What is 'X' in the following table?
Find the letter to be placed in '?' 