human
Is it safe to use a sandbox in my backyard for my children to play in?
assistant
It depends on the type of sand you are using. If it is non-toxic and made from natural materials, then it should be safe to use in your backyard for your children to play in. However, if the sand contains toxins or chemicals that could be harmful, then it may not be safe. You should check with local regulations before deciding if it is safe to use in your backyard.