Oliver entered the staircase. Aiden entered the staircase. Avery entered the staircase. The grapefruit is in the blue suitcase. Avery exited the staircase. Oliver moved the grapefruit to the green suitcase.
Oliver think that Avery searches for the grapefruit in the green suitcase.
 Oliver think that Avery searches for the grapefruit in the blue_suitcase
 Oliver think that Avery searches for the grapefruit in the green_suitcase