walk_to(carton)
grab(socks)
walk_to(sofa)
place_on_top(sofa, socks)
walk_to(carton)
grab(perfume)
walk_to(sofa)
place_on_top(sofa, perfume)
walk_to(carton)
grab(toothbrush)
walk_to(sofa)
place_on_top(sofa, toothbrush)
walk_to(carton)
grab(notebook)
walk_to(sofa)
place_on_top(sofa, notebook)
