as in , we should n't allow kids to slip on french fries , or , if they do slip on french fries , the school district will get sued , or , the janitors would have to renegotiate their contract if they did n't clean the french fries from the cafeteria at the time they were scheduled to do so , and finally , if someone slipped on a french fry that had fallen on the floor , the children might be exposed to harmful pathogens .