Aiden entered the staircase. Hannah entered the staircase. The spinach is in the red cupboard. Hannah moved the spinach to the green envelope. Aiden exited the staircase.
Aiden think that Hannah searches for the spinach in the green envelope.
 Aiden think that Hannah searches for the spinach in the red_cupboard
 Aiden think that Hannah searches for the spinach in the green_envelope