It's responsible to pick up trash.
Margret is at the movie theater with her little sister Maggie who leaves a soda can on the floor.
Margret wants to respond to Maggie.
Margret tells Maggie to put her trash in the trashcan.
Margret tells Maggie that the people working at the theater will take care of the trash.
Bob is able to clean the theater faster.
Bob, the janitor, spends five extra minutes cleaning up Maggie's mess.