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.
Ella think that Liam searches for the broccoli in the green cupboard.
 Ella think that Liam searches for the broccoli in the red_cupboard
 Ella think that Liam searches for the broccoli in the green_cupboard