You shouldn't let people throw away perfectly good food.
Kelly was sitting at a restaurant with her parents, but her parents didn't finish eating their food.
Kelly wants to get the food off the table.
Kelly tells the waiter to put her parents's food in a to go bag.
Kelly lets her parents throw the rest of their food in the trash bin.
Kelly's parents are able to eat their food the next day for lunch.
Kelly's parents don't have anything to eat later when they get hungry.