The context of the following conversation is Alex was going to have a birthday party. Remy sent an invitation to all of Alex's friends to come.:
Remy says I need to stop by the post office..
The friend responds Are you mailing a letter to your grandma?.
Remy responds No, Alex is having a birthday party next month and I'm inviting all of his friends to the party..
The friend responds That's kind of you. How many people are you inviting?.
Remy responds I'm only inviting about 15 people..
The friend responds Well, just make sure there's cake and a pinata!.