Which of the following figures perfectly depicts the relationship between pigeons, birds and dogs?

In the Venn diagram given below, the circle represents ‘North Indian’ the triangle represents ‘Pianists’ the rectangle represents ‘Males’ and the square represents ‘Engineers’. The numbers given in the diagram represents number of persons of that particular category. Who among the following is a female, North Indian, Engineer?

Identify the diagram that best represents the relationship among the given classes.
Music Instrument, Piano, Guitar

Select the Venn diagram that best represents the relationship between the following classes.
 Bed, Bedroom, House

Select the Venn diagram that best illustrates the relationship between the following classes.
 Fruit, Apple, Vegetable

Directions: In each of the following questions, identify the diagram that best represents the relationship among classes given below:

Children, Serious, Naughty