Ella entered the den. Mason entered the den. Liam entered the den. Mason exited the den. The broccoli is in the red cupboard. Ella exited the den. Liam moved the broccoli to the green cupboard.
The broccoli at the beginning was in the red cupboard.
 the broccoli at the beginning was in the green_cupboard
 the broccoli at the beginning was in the red_cupboard