a apple - A apple is when you compare two things that are the same and

A apple is when you compare two things that are the same and it makes perfect sense. It’s like comparing apples to apples. No one gets it.

Friend: 'This is a apple. It makes no sense.'

Classmate: 'Why is this a apple? It's not even funny.'

Teacher: 'This is a apple. You're all stupid.'