Cabinet, Home Minister, Minister.

a
b
c
d
The relationship between "Cabinet," "Home Minister," and "Minister" is that the Home Minister is a type of Minister, and the Cabinet consists of Ministers. Thus, the correct diagram is two circles representing Ministers and Home Ministers with overlap, similar to option (b).
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: 
Arrange the following words in lexicographical (dictionary) order from highest to lowest:
1. Elephant
2. Banana
3. Apple
4. Cherry