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 at the beginning was in the green cupboard.
 the pineapple at the beginning was in the blue_crate
 the pineapple at the beginning was in the green_cupboard