Jack entered the den. Olivia entered the den. Ethan entered the den. The lettuce is in the green bathtub. Olivia moved the lettuce to the green bucket. Jack exited the den. Ethan exited the den. Olivia exited the den. Olivia hates the grapes Olivia likes the green pepper Ethan entered the den.
Olivia think that Ethan searches for the lettuce in the green bucket.
 Olivia think that Ethan searches for the lettuce in the green_pepper
 Olivia think that Ethan searches for the lettuce in the green_bucket