The hamster contract

My greatest concern about having a pet in our house is work load. Who takes care of the work? Not me! Karl doesn't mind having a hamster at home as long as the kids look after it. As Vienna and Lukas wanted to have a hamster so much I required them to make some promises in written form. Vienna said she didn't know how to write contracts, so I told her to find out from the internet. She thought those sample contracts from the Internet were too complicated, thus she made up her own. Here is the contract she wrote: