Which one of the following diagrams represent correct relationship among pigeon, birds, dogs?

According to question , we know that
Doctors, Engineers and Lawyers are different in professions .These belong to different classes .
So , option ( D ) is required answer .

From above given question , we can say that
Rose and Jasmine belong to Garden.Rose and Jasmine are different from each other .
Hence , required answer will be option ( A ) .
Best representation of the relationship is:

From above given question , we can say that
Girl is different from boy, but both are human beings.
Hence , required answer is option ( A ) .

From the given above question , we have
Pen is different from Pencil. But both are stationery items.
Therefore , option ( C ) is correct answer .

Using statement A: We cannot find the relation using this statement as J's name is not even mentioned in it.
Using statement B:
We can say that J is the mother of P but cannot decide whether P is the son or daughter of J.
Using both statements together: We find, P is the daughter of J.

According to question , we can say that
City and Country belong to Continent .
From above it is clear that option D is required answer .

From above given diagram , we can see that
Number 1 indicates doctors who are not married.
Clearly , option D is correct answer .

As per the given above question , we know that
Both Sociology and Psychology belong to Humanities .
From above it is clear that Sociology, Psychology and Humanities represent a best relationship in each other . As shown in given diagram .
Hence , option A is correct answer .

According to question ,we can say that
Some boys are sportsmen .
Some boys are students
Some sportsmen are students.
From above it is clear that option C represents the best relationship between Boy, Sportsman, Student .

As per the given above question , we can say that
Elephant and Wolves bear no relationship to each other while both are animals.
Hence , option A is correct answer .