A1
in or into a room, building, container, etc.
Dictionary examples:
My phone is inside the cake! (0.0)
The pizza is inside the washing machine. (0.0)
My homework is inside the fish bowl. (0.0)
My homework is inside the toilet. (0.0)
There's a sandwich inside my book. (0.0)
My computer is inside the bathtub. (0.0)
There were some keys inside the box. (8.5)