Oliver entered the staircase. Logan entered the staircase. Logan exited the staircase. Sophia entered the staircase. The lettuce is in the red suitcase. Sophia exited the staircase. Oliver moved the lettuce to the red drawer. Sophia entered the staircase.
Oliver look for the lettuce in the red drawer.
 Oliver look for the lettuce to the red_suitcase
 Oliver look for the lettuce to the red_drawer