I always thought there was only one interpretation? Let's look at this generic Venn diagram: https://slideuplift.com/wp-content/uploads/edd/2021/03/2-Way-Venn-D

I always thought there was only one interpretation? Let's look at this generic Venn diagram: https://slideuplift.com/wp-content/uploads/edd/2021/03/2-Way-Venn-Diagram-01.jpg https://slideuplift.com/wp-content/uploads/edd/2021/03/2-Way... Some things are generally accepted: "left" -> sets A, C "right" -> sets B, C "left and right" -> set C now "or" is ambiguous... depending on the person, "left or right" may mean sets A, B, C or just sets A, C. So to clarify, one can say: "left and/or right" -- this would be sets A, B, C Or alternatively, "either left or right" -- this would be sets A, C