It's springtime... Sophia decided to start a tremendous job: cleaning her entire room. She had a peculiar method doing it: she opened all her drawers, cupboards and tins and threw the contents on the floor. Then, she took a couple of garbage bags and picked up all items one by one. She looked at the item in her hand, counted to ten and then either give it a place in her room or put it in the bag to bring it to the second hand shop later. Her room is a mess.