The context of the following conversation is Austin bought a new dress. They were going to a dance.:
Austin says I bought a new dress for my girlfriend..
The friend responds What is the occasion?.
Austin responds We are going to a dance..
The friend responds This is not a school event, then?.
Austin responds It is. Do you not know about it?.
The friend responds I only know about spring formal and the prom, nothing about anything in the winter..