Focus on the data in the Venn diagram, not on its appearance ... Funding for this project is provided by the National Science Foundation.

A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements ...

Take a look at a different problem solving exercise using Venn diagrams. Remember to draw the Venn diagram and add information as you go along. This will help you keep an overview of what is going on.