Elizabeth entered the den. Carter entered the bedroom. Carter exited the bedroom. William entered the den. The pumpkin is in the red cupboard. Elizabeth exited the den. William moved the pumpkin to the blue container.
William think that Elizabeth searches for the pumpkin in the red cupboard.
 William think that Elizabeth searches for the pumpkin in the blue_container
 William think that Elizabeth searches for the pumpkin in the red_cupboard