Olivia entered the den. Nathan entered the den. The tangerine is in the blue pantry. Nathan exited the den. Olivia moved the tangerine to the red cupboard.
Nathan think that Olivia searches for the tangerine in the blue pantry.
 Nathan think that Olivia searches for the tangerine in the red_cupboard
 Nathan think that Olivia searches for the tangerine in the blue_pantry