walk_to(backpack)
grab(backpack)
walk_to(bed)
place_on_top(bed, backpack)
open(backpack)
grab(sunglasses)
place_inside(backpack, sunglasses)
grab(bracelet)
place_inside(backpack, bracelet)
grab(notebook)
place_inside(backpack, notebook)
grab(apple)
place_inside(backpack, apple)
grab(earphones)
place_inside(backpack, earphones)
close(backpack)
