Access IIF IN - Multiple Statements - Formatting Issue

Hello

I have the following IIF statement. If I include just one IIF, this query works. If I include more than one, it does not. Please confirm where the formatting issue is.

Type: IIf([Event] In ("Birthday Party","Sleepover Party","Bake Sale"),"Child Event"),IIF([Event] In ("Movie Theater","Overseas Cruise","Dinner on the Town","Brunch"),"Adult Event")

This was created in notepad as suggested. The first event - child event - works alone. However when I add the second event - adult event - I get an error that I need to include quotations. I have reviewed the quotes, and all seems to be in order.

Thank you