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 look for the tomato in the green suitcase.
 Nathan look for the tomato to the green_envelope
 Nathan look for the tomato to the green_suitcase