Select the Venn diagram that best illustrates the relationship between the following classes.

Tree, Trouser, Phone

​Tree, Trouser, Phone​​

Let's analyze the three classes:

Tree – A type of plant/living thing

Trouser – A piece of clothing

Phone – An electronic device

So, they belong to completely different categories. There is no logical overlap between these three classes.

​Three separate, non-overlapping circles representing Tree, Trouser, and Phone.

Thus, the correct option is: (d)