Amelia entered the staircase. Mason entered the staircase. Hunter entered the staircase. Amelia exited the staircase. The pineapple is in the green cupboard. Mason exited the staircase. Hunter moved the pineapple to the blue crate.
The pineapple really is in the blue crate.
 the pineapple really is in the green_cupboard
 the pineapple really is in the blue_crate