Select the Venn diagram that best represents the relationship between the following classes. Living things, Animals, Birds, Dogs

The Venn diagram that best represents the relationship between Living things, Animals, Birds, and Dogs is shown below:

All living organisms can be classified into two major groups- plants and animals.
All Birds and Dogs are animals. All animals are living things.
Hence, ' option 2 ' is the correct answer.
Select the Venn diagram that best illustrates the relationship among the following classes.
Neptune, Planet, Moon
Cabinet, Home Minister, Minister –
Professor, Researcher, Scientist –
In the following figure, square represents Teachers, triangle represents swimmers, circle represents Nurses and rectangle represents Women. Which set of letters represent Teachers who are either swimmers or nurses?

A survey of 450 students about their subjects of interest resulted in the following outcome.