Jack entered the staircase. Nathan entered the staircase. Jack likes the staircase The tomato is in the green envelope. Nathan exited the staircase. Jack moved the tomato to the green suitcase. Owen hates the corn Jack exited the staircase. Nathan entered the staircase.
Nathan think that Jack searches for the tomato in the green suitcase.
 Nathan think that Jack searches for the tomato in the green_envelope
 Nathan think that Jack searches for the tomato in the green_suitcase